Basic Math question and answers for September 09, 2024
- Q Answer the statistical measures and create a box and whiskers plot for thefollowing set of data.Min:1, 2, 2, 4, 5, 9, 10, 12, 14, 14Q1:Med:Q3:Max:Create the box plot by dragging...
- Q Christopher looked at his quiz scores shown below for thefirst and second semester of his Algebra class.Semester 1: 78, 91, 88, 83, 94Semester 2: 91, 96, 80, 77, 88, 85,...
- Q The two sets of data below represent the number of runsscored by two different youth baseball teams over thecourse of a season.Team A: 4, 8, 5, 12, 3, 9, 5,...
- Q Ava wonders what her family's favorite sports team is. So, she asked all her friends about their favorite team. Is this a random sample that helps find her family's favorite...
- Q Isaac invested $77,000 in an account paying an interest rate of 4.6% compounded quarterly. Assuming no deposits or withdrawals are made, how much money, to the nearest cent, would be...
- Q Approximately 75% of patients comply with physicians' recommendations post office visits.Each patient's compliance is independent of any other patient's. Of the 400 patients surveyed post office site, what is the...
- Q Joe's New Car dealership lists the following prices for this year's models. $10,469, $12,895, $15,499, $17,999, $18,595, $21,245, $10,395, $14,985 What is the range in prices? A $15,260B $15,242C $10,850D...
- Q Create a frequency chart of the data below using 2-4 as your first interval:2, 4, 10, 6, 3, 9, 11, 12, 2, 3, 7, 7, 4What's the frequency for data...
- Q Which value of r indicates a stronger correlation: r=0.711 or r= -0.886? Explain your reasoning.Choose the correct answer below.A. r=0.711 represents a stronger correlation because 0.711> -0.886.B. r=-0.886 represents a...
- Q 3, 4, 5, 5, 6, 9, 12What is the range?A. 9B. 5C. 12D. 7
- Q Two samples are taken with the following numbers of successes and sample sizesr1 = 30 r? = 22n? = 75 n? = 77Find a 94% confidence interval, round answers to...
- Q The ages of the band members are:17, 21, 15, 19, 18, 21.What is the mode age of the band members?A. 17B. 21C. 18.5D. 19.3
- Q A school principal wants to know the favorite class of the middle school students in his school. He surveys all of the students who are sent to his office throughout...
- Q Identify the problem with the following study. It was found that a third of all people in the United States live in urban centers. This finding is based on a...
- Q When Xavier runs the 400 meter dash, his finishing times are normally distributed with a mean of 61 seconds and a standard deviation of 0.5 seconds. If Xavier were to...
- Q Is it ethical for a news blogger to construct a graph that exaggerates the negative effects of logging on the environment?Yes, the environment is important to everyone.Yes, it is important...
- Q A farmer who only sells produce to local residents in his town wishes to expand to a neighboring city. The farmer calls everyone in the phone book with a last...
- Q There are 400 students in the senior class at Oak Creek High School. All of thesestudents took the SAT. The distribution of their SAT scores is approximately normal.The number of...
- Q The goals scored per game by a soccer team represent the first quartile for all teams in a league. What can you conclude about the team's goals scored per game?Choose...
- Q A car is purchased for $27,000. Each year it loses 20% of Its value. After how many years will the car be worth $11,000 or less? (Use the calculator provided...
- Q Determine the monthly principal and interest payment for a 15-year mortgage when the amount financed is $85,000 and Click here for table of Monthly Payments the annual percentage rate (APR)...
- Q The tuition and fees (in thousands of dollars) for the top 14 universities in a recent year are listed below. Find the mean, median, and mode of the data, if...
- Q Carlos used the following units of electricity for twelve months: 504, 519, 576, 321, 256, 101, 76,75, 127, 289, 367, and 511. His average unit consumption isa. $88.50b. $310.17c. $504.00d....
- Q The ages (in years) of a random sample of shoppers at a gaming store are shown. Determine the range, mean, variance, and standard deviation of the sample dataset.12, 20, 23,...
- Q Geraldine opened a savings account with a principal amount of $100. The interest is 105 compounded quarterly. At the end of six months, the amount of money in her savings...
- Q Does the mean represent the center of the data?A. The mean represents the center.B. The mean does not represent the center because it is the largest data value.C. The mean...
- Q The number of credits being taken by a sample of 13 full-time college students are listed below. Find the mean, median, and mode of the data, if possible. If any...
- Q Use the given minimum and maximum data entries, and the number of classes, to find the class width, the lower class limits, and the upper class limits.minimum = 8, maximum...
- Q Which of the following regressions represents the strongest linearrelationship between x and y?Regression 1y = ax + ba =-17.8b = -8.1r = -0.4682Regression 2y = ax + ba = =...
- Q For the given data set, find the a. mean and b. mode (or state that there is no mode)Ages of teachers in the mathematics department of a certain high school:26,31,48,37,24,30,26,37,20a.37b....
- Q How is a sample related to a population?Choose the correct answer below.A. A sample is a numerical measure that describes a sample characteristic.B. A sample is a subset of a...
- Q A scuba diver is taking samples for research. The depths (in feet) from which samples were takenare listed below.24.2, 11.1, 8.2, 17.5, 28.4, 8.2, 9.7, 41.2, 13.4, 12.1, 26.8, 8.2a....
- Q You are conducting a study to see if the proportion of men over 50 who regularly have their prostate examined is significantly more than 0.18. Thus you are performing a...
- Q A city has a population of 300,000 people. Suppose that each year the population grows by 6.5%. What will the population be after 11 years?Use the calculator provided and round...
- Q Based on the data set below, what is the frequency of numbers ranging from 90-95?100, 102, 111, 106, 108, 99, 91, 122, 95, 94, 145, 150, 130, 110, 121, 141,...
- Q A researcher randomly selects and measures the volumes of the contents of 13 bottles of cough syrup. Assume the sample is taken from a normally distributed population. The 99% confidence...
- Q The scores of eighth-grade students in a math test are normally distributed with a mean of 57.5 and a standard deviation of 6.5. From this data, we can conclude that...
- Q Find the mean, median, and mode: 2.3, 4.3, 3.2, 2.9, 2.7, 2.3A. 2.95, 2.8, 2.3B. 2.95, 2.3, 2.8C. 2.8, 2.95, 2.3D. 3.05, 2.8, 2.3
- Q For the following set of data, find the population standard deviation, to the nearest thousandth.45, 30, 35, 20, 21, 46, 16, 37Copy Values for CalculatorOpen Statistics Calculator
- Q The salaries of six bank employees are $37,000, $38,500, $35,000, $37,000,$45,000, $40,000, and $75,000.Which statement is true?Both the median and mode are appropriate measures of center.The mean, median, and mode...
- Q The numbers of items that customers purchased using a self-checkout lane are shown.8, 4, 6, 5, 4, 3, 15, 4, 4, 1, 10, 3, 4, 12, 7, 2, 4, 6,...
- Q A magazine includes a report on the energy costs per year for 32-inch liquid crystal display (LCD) televisions. The article states that 14 randomly selected 32-inch LCD televisions have a...
- Q For the following set of data, find the number of data within 2 population standard deviations of the mean.63, 62, 95, 33, 65, 62, 57
- Q Suppose the line of best fit is drawn for some data points. If the mean of the x-coordinates of the points is 10, and the mean of the y-coordinates of...
- Q A line of best fit was drawn for 7 data points. What is the maximum numberof these data points that may not actually be on the line?A. 7B. 5C. 4D....
- Q When Jonathan runs the 400 meter dash, his finishing times are normally distributed with a mean of 88 seconds and a standard deviation of 2.5 seconds. If Jonathan were to...
- Q The total points scored by two youth soccer teams are shown.Rockets: 3, 0, 3, 4, 2, 6, 1, 0, 3Jets: 2, 3, 2, 1, 0, 0, 0, 2, 1
- Q On his 6 Algebra tests, Omar received the following scores: 82, 44, 92, 86, 77 & 82.Find the mean, median, mode, range and outlier of the data set. Round the...
- Q Based on the following calculator output, determine the range of the dataset.1-Var-Stats114.285714286Ex=800?x = 92018Sx 9.91151326681?x= = 9.17627820157n = 7minX = 102Q? = 104Med = 115Q3 = 122maxX = 128
- Q How is the interquartile range calculated?A. Find the difference between the values for quartile 3 and the median.B. Find the difference between the values for quartile 3 and quartile 1.C....
- Q CJ wanted to see if listening to music would make the basketball players make more baskets. On day one, he didn't play any music and counted how many baskets they...
- Q If there are 25 values in a data set in order from smallest to largest, what isthe third quartile of the data set?A. The mean of the 21st and 22nd...
- Q A line of best fit predicts that when x equals 35, y will equal 34.785, but y actually equals 37. What is the residual in this case?A. -0.215B. 2.215C. 15D....
- Q Suppose the line of best fit is being found for some data points that have an r-value of 0.793. If the standard deviation of the x-coordinates is 5.591, and the...
- Q Suppose the linear regression line = 4.009x - 77.531 predicts a pizzaparlor's profits based on the number of pizzas sold. If x represents thenumber of pizzas sold, and ? represents...
- Q Find the mean, median, and mode for the data set below. Explain which measure best describes the data.3 30 26 27 29 30The mean is(Type an integer or decimal rounded...
- Q Suppose that there were a negative correlation between the variables a and b. If bis 60 when a is 8, which of these is most likely to be the value...
- Q The first quartile of a data set is 23, the median is 30, the third quartile is 33, and an outlier is 6. Which of these data values would be...
- Q The value of an explanatory variable is 10, while the corresponding value ofthe response variable is 5. What would be the coordinates of this data pointwhen plotted on a scatterplot?A....
- Q If a sample of 187 bowlers were taken from a population of 999 bowlers, xcould refer to the mean of how many bowlers' scores?A. Both 187 and 999B. 187C. 999D....
- Q The mean is the average of the numbers.Add up all the numbers, then divide by how many numbers there are.Reminder: there are 15 numbers7.5, 6.5, 8, 10, 9, 9.5, 5.5,...
- Q A personnel director in a particular state claims that the mean annual income is the same in one of the state's counties (County A) as it is in another county...
- Q Which of these groups of relative frequencies would be best represented by apie chart?A. 20%; 19%; 21%; 20%; 20%B. 25%; 24%; 26%; 25%C. 16% ; 18%; 17%; 16% ; 17%;...
- Q Find the annual percentage yield (APY).A bank offers an APR of 3.1% compounded daily.6.20%3.15%103.15%3.22%
- Q What is the probability of randomly selecting 1 woman with a height less than 65.3 inches?(Round to four decimal places as needed.)What is the probability of selecting a sample of...
- Q Question Help Decide whether the normal sampling distribution can be used. If it can be used, test the claim about the population proportion p at the given level of significance...
- Q An education researcher claims that at most 4% of working college students are employed as teachers or teaching assistants. In a random sample of 500 working college students, 6% are...
- Q In the past two years, both product A and product B have had similar sales and the production Investment is also the same for both of them. This year, the...
- Q An energy company wants to choose between two regions in a state to install energy-producing wind turbines. A researcher claims that the wind speed in Region A is less than...
- Q You want to buy a washing machine, and a salesperson tells you that the mean repair costs for Model A and Model B are equal. You research the repair costs....
- Q A consumer group claims that the mean minimum time it takes for a sedan to travel a quarter mile is greater than 14.6 seconds. A random sample of 21 sedans...
- Q Find the expected frequency, E?, for the given values of n and pin = 110, pi = 0.6
- Q In a survey of 2250 adults, 712 say they believe in UFOs.Construct a 95% confidence interval for the population proportion of adults who believe in UFOs.A 95% confidence interval for...
- Q In one state the gestation period had a mean of 280 days with a standard deviation of 11 days. What is the probability that a baby is born between 11...
- Q In a random sample of 21 people, the mean commute time to work was 33.1 minutes and the standard deviation was 7.2 minutes. Assume the population is normally distributed and...
Get Answers to Unlimited Questions
Join us to gain access to millions of questions and expert answers. Enjoy exclusive benefits tailored just for you!
Membership Benefits:
- Unlimited Question Access with detailed Answers
- Zin AI - 3 Million Words
- 10 Dall-E 3 Images
- 20 Plot Generations
- Conversation with Dialogue Memory
- No Ads, Ever!
- Access to Our Best AI Platform: Flex AI - Your personal assistant for all your inquiries!