Statistics question and answers for December 28, 2023
- Q 5 Write the equation of a line in point slope form that passes through the points 3 6 and 5 10 Ay 6 2 x 3 y 6 2 x...
- Q Write the equation of the line in slope intercept form that has slope 3 and passes through 2 5 3 2 3 1 slope m m Point slope y y...
- Q Draw the line passing through the point 3 4 with a slope of CLICK TO SELECT LINE AA N 1 5 4 3 2 100 1 2 H 2 3...
- Q 16 Directions Find the slope and y intercept for a line passing through the following two points then create a slope intercept equation 5 3 and 4 5 Slope y...
- Q Directions Identify the slope and y Intercept Then write an equation in y mx b form 9 Slope 0 3 2 1 0 1 2 y intercept 3 Equation N
- Q B Find the slope of the line that passes through the points 5 10 and 7 12 Slope
- Q Which graph represents the solution set of the inequality 3x 2y 4 3 3 2 10 3 2 1 3 0 1 2 3 1 2 3 1 2 3...
- Q 1 Explain Solve for y Given y 5 3 2 2 The first step is to The second step is to The FINAL equation will be
- Q 7 Find the equation of line in slope in slope intercept form if its y Intercept and slope is given in the first column Match them with their appropriate result...
- Q 10 Directions Find the x and y intercepts for each Standard Form equation Write your answer as an ordered pair 52 10y 30 2 intercept y intercepta
- Q 12 y 3x 5 Which of the following scenarios could be described by the equation above A The number of cards Larry has if he had 3 collector cards and...
- Q 15 Write in slope intercept form an equation of the line that passes through the given points 4 1 8 2
- Q 22 Directions 21 3 Graph the following slope intercept equation 2 CLICK TO SELECT LINE AB 6 5 32 2 1 30 1
- Q 4 Change z 2y 4 into slope intercept for N N N NI le 1 NIN
- Q 23 Write the given equation in slope intercept form Given 3x 2y 10 A y x 5 B y C y D y 3232 SHOW HINT 3232 5 x 5...
- Q CK TO SELECT LINE AA to 1 S 4 B 2 M 100 CV 4 2 3 4 5 10 6 7 8 9
- Q 21 Consider the graph below in 3 2 O 2 3 B The equation of the line is 5 6 2 What is the equation of the line in slope...
- Q A line has a slope of 3 and passes through the point 5 4 7 Find the equation of the line Ay 3x 19 y 3x 19 y 3x 19...
- Q 18 Convert the equation standard form equation into Slope intercept form rewrite it as y mz b Standard form 4y 3x 16 Slope intercept form
- Q Graph the following standard form equation y 3 CLICK TO SELECT UNE AA 14 6 4 92 ey 24 5 4 3 N H 201 H N 3 A
- Q 5 A lab wants to compare the results for two separate weight loss programs Compute the test statistic given that a random sample of 54 dieters on Program 1 lost...
- Q Identify the type I error and the type II error that corresponds to the given hypothesis The proportion of people who write with their left hand is equal to 0...
- Q Claim The mean systolic blood pressure of all healthy adults is less than than 119 mm Hg Sample data For 260 healthy adults the meam systolic blood pressure level is...
- Q Claim The mean systolic blood pressure of all healthy adults is less than 123 mm Hg Sample data For 254 healthy adults the mean systolic blood pressure level is 122...
- Q Claim Fewer than 10 3 of homes have only a landline telephone and no wireless phone Sample data A survey by the National Cente for Health Statistics showed that among...
- Q The test statistic of z 1 86 is obtained when testing the claim that p 0 355 a Identify the hypothesis test as being two tailed left tailed or right...
- Q In a clinical trial of a drug intended to help people stop smoking 132 subjects were treated with the drug for 12 weeks and 18 subjects experienced abdominal pain If...
- Q The Ericsson method is one of several methods claimed to increase the likelihood of a baby girl In a clinical trial results could be analyze with a formal hypothesis test...
- Q Assume a significance level of 0 1 and use the given information to complete parts a and b below Original claim The mean pulse rate in beats per minute of...
- Q 55 36 62 36 47 54 46 61 Evaluate Kara s claim using a hypothesis test Write the hypothesis for the test O Ho 55 Ha H 55 Ho H...
- Q llowing 0 5e F x 1 0 5e Part a 5 points Determine the PDF of X for x 0 Part b 5 points Find P X 2 x 0...
- Q bsite receives an average of 10 visits every minute The site manager starts to monitor the number of visits at 10 00 am Part a 2 5 points What is...
- Q Two health insurance compete for the business of 1000 customers Assume that each customer chooses between the insurance providers independently and with indifference It is also assumed that each company...
- Q nd 5 46 A homogeneous wire is bent into the shape shown Determine by direct integration the x coordinate of its centroid x a cos 0 y a sin 0...
- Q The accompanying data are x Cost cents per serving and y Fiber content grams per serving for 18 high fiber cereals rated by a magazine Fiber per Serving Cost per...
- Q Ho 59 3 Ha 59 3 You believe the population is normally distributed but you do not know the standard deviation data 107 7 64 5 91 1 a What...
- Q 3 A college wants to see if there is a significant difference in the amount of time an average full time student studies each week compared to the national average...
- Q equal to 70 points We claim they are incorrect to see if average improvement is different than 70 We randomly sample students for their average improvement The data we collected...
- Q The Average Work Week Kara a newly hired engineer has been informed that the mean work week for engineers in start up companies is 55 hours Kara hopes that the...
- Q Fresh Donuts A donut company says that their donuts remain fresh for over 2 days on average We tested a random sample of donuts for how long they remained fresh...
- Q Fresh Donuts A donut company claims that their donuts remain fresh for more than 2 days on average A donut watchdog organization samples 12 donuts and finds that on average...
- Q Test Prep A GRE prep company advertises that average score improvement in GRE scores of their students is equal to 50 points A consumer group believes this is incorrect and...
- Q Nutrition labels The nutrition label on a bag of potato chips says that a serving of potato chips has 130 calories You believe this is incorrect and take a random...
- Q You are conducting a study to see if the probability of a true negative on a test for a certain cancer is significantly less than 0 52 You use a...
- Q You wish to test the following claim Ha at a significance level of a 0 02 Ho 73 9 Ha 73 9 You believe the population is normally distributed but...
- Q The Wechsler Adult Intelligence Scale IQ test is constructed so that Full Scale IQ scores follow a normal distribution with a mean of 100 and a standard deviation of 15...
- Q 2 10 pts We are told that 67 of the Missoula population has been skiing We are going to take a random sample of 120 students What does our random...
- Q Making handcrafted pottery generally takes two major steps wheel throwing and firing That is the time for a piece of pottery to be finished is the sum of the time...
- Q 38 The probability that an individual randomly selected from a particular population has a certain disease is 05 A diagnostic test correctly detects the presence of the disease 98 of...
- Q Suppose we have a random sample of size 2n from a population denoted by X and E X and V X 0 Let X X 2n 2n 2 i 1...
- Q Many investors and financial analysts believe the Dow Jones Industrial Average DJIA gives a good barometer of the overall stock market On January 31 2006 9 of the 30 stocks...
- Q 0 9 Is It Significant The one sample t statistic from a sample of n 3 observa tions for the two sided test of Ho 50 Ha 50 has the...
- Q 1 Travel Time to Work A study of commuting times reports the travel times to work of a random sample of 1000 employed adults in Seattle The mean is x...
- Q 29 Wearable technology and weight loss Do wearable devices that monitor diet and physical activity help peo ple lose weight Researchers had 237 subjects already involved in a program of...
- Q 20 49 Right versus 4step ments affects how easily people can use them Timothy Sturm investigated this effect in a course project asking 25 right handed students to turn a...
- Q The manager of a 100 unit apartment complex knows from experience that all units will be occupied if the rent is 900 per month A market survey suggests that on...
- Q The average number of calories from a fast food meal for adults in the US is 840 calories A nutritionist believes that the average is higher than reported They randomly...
- Q A candidate for political office wants to determine if there is a difference in her popularity proportion between millennials and baby boomers To test the claim of this difference she...
- Q Suppose the coffee industry claimed that the average adult drinks 2 5 cups of coffee per day Because of other choices of caffeine beverages marketers believe that college students drink...
- Q Cereal for Breakfast A cereal company announced 60 of Americans start the day with cereal for breakfast You believe the percentage of Americans that start the day with cereal is...
- Q Evolution and Scientists A professor claims that more than 84 of all scientists believe in evolution In a 2014 Pew Research survey of a representative sample of 169 scientists connected...
- Q Test the claim that the proportion of people who own cats is significantly different than 30 at the 0 2 significance level The null and alternative hypothesis would be Ho...
- Q Presidential Poll A research group suspects that less than 47 of Americans support the Republican presidential candidate To test this claim they randomly call Americans until they get 1000 responses...
- Q A well known brokerage firm executive has indicated that 20 of investors are currently confident of meeting their investment goals An XYZ Investor Optimism Survey conducted over a two week...
- Q 6 pts It is known that 23 of students at Missoula College are in a health related field We are going to take a random sample of 100 students to...
- Q 2 10 pts We are told that 67 of the Missoula population has been skiing We are going to take a random sample of 120 students What does our random...
- Q Isabel is a very determined 4th grader who studies different neighborhoods each year to determine which give the most candy on Halloween Right now she wants to know which is...
- Q Prior to a new drive through system the mean wait time at a certain fast food restaurant was 99 seconds Use the data in the table below to decide whether...
- Q Only about 18 of all people can wiggle their ears Is this percent higher for millionaires Of the 302 millionaires surveyed 64 could wiggle their ears Run a hypothesis test...
- Q Only about 18 of all people can wiggle their ears Is this percent higher for millionaires Of the 302 millionaires surveyed 64 could wiggle their ears Run a hypothesis test...
- Q A researcher is interested in finding a 95 confidence interval for the mean number of times per day that college students text The study included 81 students who averaged 25...
- Q Prior to a new drive through system the mean wait time at a certain fast food restaurant was 99 seconds Use the data in the table below to decide whether...
- Q A researcher is interested in finding a 95 confidence interval for the mean number of times per day tha college students text The study included 81 students who averaged 25...
- Q In a sample of 410 adults 213 dressed up for Halloween this year even though they had to socially distance Construct a 95 confidence interval for the true population proportion...
- Q rior to a new drive through system the mean wait time at a certain fast food restaurant was 99 seconds Ise the data in the table below to decide whether...
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