Statistics question and answers for December 07, 2023
- Q Enteroliths are calcifications that form in the gut of a horse The stones can cause considerable morbidity and mortality A study was conducted to investigate factors such as diet and...
- Q Eighteen faculty members in a college math department range in age from 32 to 68 A stemplot follows 3 456 24899 03569 347899 38 The median age in years of...
- Q Employees at a large company are surveyed about their health insurance status Employees are coded as 1 if health insurance is obtained through the company s benefit program 2 if...
- Q Percent 30 M 20 15 10 S 0 Bological Sciences Math and Physical Sciences Collage O A over 60 O B approximately 50 O C approximately 40 D approximately 30...
- Q Ivan is participating in a 6 day cross country biking challenge He biked for 70 67 67 62 and 49 miles on the first five days How many miles does...
- Q The Graduate Management Admission Test GMAT is a standardized exam used by many universities as part of the assessment for admission to graduate study in business The average GMAT sco...
- Q The following diagram represents a process where two components are made at stations A1 and A2 one component is made at A1 and the other at A2 These components are...
- Q A firm is selling two products chairs and bar stools each at 75 per unit Chairs have a variable cost of 30 and bar stools 20 Fixed cost for the...
- Q 1 Complete the Venn diagram to represent the information given about the 250 student sponses i e represent each of the 16 labeled regions with the numerical value representing many...
- Q Interpreting Box and Whisker Plots 1 Below are the prices of snowboards at two competing snowboard stores Middletown Snowboards 345 350 356 360 375 405 a Identify the 5 main...
- Q 10 points The faculty senate at a large university wanted to know what proportion of the students thought foreign language classes should be required for everyone The statistics department offered...
- Q Suppose Joan has a fair four sided die with sides that are numbered 1 2 3 and 4 A 07 B C D 12 After she rolls it 33 times...
- Q A club is choosing 2 members to serve on a committee The club has nominated 2 women and 2 Type numbers in the boxes 10 points men Based on chance...
- Q Select one answer 10 points A 2000 study analyzed data from the National Longitudinal Study of Adolescent Health Participants were followed into adulthood Each study participant was categorized as to...
- Q The table below summarizes the results Obese Dating Cohabiting Married Total Total 81 Not obese 359 440 Obese 102 327 Total 429 148 23 8 Not obese Perc 2 276...
- Q 10 points High blood pressure is unhealthy Here are the results of one of the studies that link high blood Select one answer pressure to death from cardiovascular disease The...
- Q the median price for a snowboard at Middletown Snowboards What is the median score 1 70 2 75 1 6 2 8 5 5 What is the value of the...
- Q 10 points A person trying to gain access to a bank vault must pass through a series of three security doors If an attempt to pass through a door is...
- Q A couple decides to have three children Let A define the event that the couple has at least 1 girl 10 points What are the possible outcomes for this event...
- Q approximately normal in shape with a mean of 332 and a standard deviation of 28 According to the standard deviation rule almost 0 15 of the students spent more than...
- Q The cost of taking your pet aboard the air flight with you in the continental US varies according to the airlines The five number summary for prices based on a...
- Q Type numbers in the boxes 10 points The distribution of the amount of money spent by students on textbooks in a semester is approximately normal in shape with a mean...
- Q A recent survey asks 95 students How many hours do you spend on the computer in a typical Type numbers in the boxes day aby Part 1 5 points ab...
- Q approximately normal in shape with a mean of 441 and a standard deviation of 29 According to the standard deviation rule approximately 95 of the students spent between on textbooks...
- Q Look at the table below Score Count 40 50 1 50 60 2 60 70 3 70 80 4 80 90 3 90 100 2 What percentage of students earned...
- Q What is the next fraction in this sequence Simplify your answe 14 15 13 4 11 15 5 15 J
- Q Select all statements that are true for density curves The proportion of data values between two numbers a and b is the area under the curve between a and The...
- Q Find a3 a 0 a 1 an an 1 an 2 Write your answer as an integer or fraction in simplest form a3 DO Submit
- Q Find a2 and a3 a 14 an an 1 4 Write your answers as integers or fractions in simplest form a a3 Submit
- Q In the data set below what is the variance 5 5 1 7 3 3 4 If the answer is a decimal round it to the nearest tenth variance 0...
- Q 2 If an outlier is on the low side of the mean as in the example in the chapter could a one tailed table be used 3 If replicate measurements...
- Q 15 A store manager records the number of customers at the store each week for several years The data are approximately normally distributed with a mean of 1245 and a...
- Q 16 a b Which grade is better A 78 on a test whose mean is 72 and a standard deviation of 6 5 or an 83 on a test whose...
- Q 17 The grades on a statistics mid term are normally distributed with 81 and o 6 3 Calculate the z scores for each of the following exam grades given in...
- Q 0 a b IQ scores of people from around the world are normally distributed with a mean of 100 and a standard deviation of 15 A genius is someone with...
- Q Kimi surveyed the 7 women at a restaurant Is this sample of the restaurant s customers likely to be biased A True B False
- Q The mean price of computers sold at a particular store is 949 with a standard deviation of 75 The z score of a certain computer is 0 8 What is...
- Q Using a graphing calculator estimate the area under the standard normal curve between z 2 and z 1 3 Round your answer to four decimal places A 0 0741 B...
- Q 7 The accompanying box and whisker plots can be used to compare the annual incomes of three professions Profession Nuclear engineer Police officer Musician 20 40 60 80 100 120...
- Q 10 Jorge made the accompanying stem and leaf wrestling team he was caching Stem Leaf 10 11 12 18 14 15 What is the mode of the weights 3 152...
- Q 9 The accompanying sten and leaf plot represents Ben s test scores this year 6 7 8 9 1 73 2 79 5 2 1 6 8 3 3 3...
- Q UUU Real income per person Access to and quality of health care Access to and quality of education The list shows things which aro E Q calculating which of the...
- Q 6 A toxicology laboratory associated with a state medical examiner s office purchases a new type of extraction sys tem with the hope of improving on its current method of...
- Q 3 Generate the mean standard deviation and 2 standard deviation range for both the full data set and your own sample of 25 pennies Also calculate the 95 confidence interval...
- Q 2 Calculate summary statistics for the 25 pennies you weighed and focus on the sample standard deviation How does it compare to the standard deviation of the population Sample standard...
- Q The train arrived early early tells us more about the verb arrived John is a very intelligent boy very tells us more about the adjective intelligent He came here almost...
- Q Find the percentile for the data point Data set 119 131 123 117 125 127 117 115 122 119 123 133 115 119 121 116 data point 125 O 85...
- Q As people age daily stress and worry decrease and happiness increases according to an analysis of 340 847 adults ages 18 to 85 in a certain country The graphs show...
- Q Solve the problem Round results to the nearest hundredth The mean of a set of data is 121 54 and its standard deviation is 117 87 Find the z score...
- Q Find the standard deviation of the data summarized in the given frequency table The test scores of 40 students are summarized in the frequency table below Find the standard deviation...
- Q The moment that the 100 N force creates about point O is 200 N m O True False 2 m 100 N 3 m
- Q Solve the problem A company performs quality control on its juice bottles It finds that the volumes of juice in its 16 ounce bottles have a mean of 16 1...
- Q Find the indicated percentile decile or quartile The test scores of 32 students are listed below Find P46 32 37 41 44 46 48 53 55 56 57 59 63...
- Q Find the z score corresponding to the given value and use the z score to determine whether the value is unusual Consider a score to be unusual if its z...
- Q Use the empirical rule to solve the problem The systolic blood pressure of 18 year old women is normally distributed with a mean of 120 mmHg and a standard deviation...
- Q The following is a set of data showing the water temperature in a heated tub at different time intervals Use the range rule of thumb to find the standard deviation...
- Q 2 1 Stem a 78 Student grades on a chemistry exam were 77 78 76 81 86 51 79 82 84 and 99 a Construct a stem and leaf plot...
- Q When a plumber is called the cost of the service call is 30 00 for them to show up at your house plus an additional 30 00 per hour Create...
- Q 4 A manufacturing company is reviewing the salaries of its full time employees below the executive level at a large plant The following histograms display the distribution of salary for...
- Q 5 The histogram shows the distribution of age for runners in the Brooklyn New York half marathon in 201 Explain what is wrong with this histogram Percent DS 12 20...
- Q There are 710 identical plastic chips numbered 1 through 710 in a box What is the probability of reaching into the box and randomly drawing the chip numbered 568 Express...
- Q 1 Here are the lengths in minutes of the 50 most popular mp3 downloads of songs by country artist Die Bentley 4 2 4 0 3 9 3 8 3...
- Q 94 Twenty five randomly selected students were asked the number of movies they watched the previous week The results are as follows Number of Movies 0 1 2 3 4...
- Q 101 What percentage of the FIES 102 What is the IQR What does the IQR represent 103 How many standard deviations away from the mean is the median Additional Information...
- Q 2 4 Box Plots 90 In a survey of 20 year olds in China Germany and the United States people were asked the number of foreign countries they had visited...
- Q 93 A survey was conducted of 130 purchasers of new black sports cars 130 purchasers of new red sports cars and 130 purchasers of new white sports cars In it...
- Q 91 Given the following box plot answer the questions 20 Figure 2 46 100 150 a Think of an example in words where the data might fit into the above...
- Q 88 Given the following box plot answer the questions Figure 2 43 2 a Which quarter has the smallest spread of data What is that spread b Which quarter has...
- Q 80 Suppose that three book publishers were interested in the number of fiction paperbacks adult consumers purchase per month Each publisher conducted a survey In the survey adult consumers were...
- Q 74 Find the value that is one standard deviation below the mean 75 Two baseball players Fredo and Karl on different teams wanted to find out who had the higher...
- Q Use the following information to answer the next two exercises Suppose 111 people who shopped in a special T shirt store were asked the number of T shirts they own...
- Q 3 What type of study is the researcher conducting A poll was given to every 5th attendee at a football game asking if they would rather have hot chocolate or...
- Q 1 The following table shows number of hours students expect to spend weekly on statistics including 3 class hours Note that some intervals with zero frequency were omitted X Expected...
- Q number of accidents occurring on that road in January speed limit of a certain road and the Posted Speed Limit Reported Number of Accidents 28 26 0 350 1 Find...
- Q 130037 d A smaller sample of 15 students yielded the following data 5 4 7 6 8 1 6 6 5 3 8 10 10 19 50 Use a class...
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!