Statistics question and answers for November 17, 2023
- Q The boxplot below shows salaries for CPAS and Actuaries in a town CPA H Actuary 20 30 40 50 60 Salary thousands of 70 80 90 If a person is...
- Q Use the data below to complete the following calculations X 453 44 223 262 222
- Q As of July 8 2020 the national average price for a gallon of regular unleaded gasoline was 2 18 The prices for a sample of n 10 gas stations in...
- Q D In May 2012 President Obama made history by revealing his support of gay marriage Around that time the Gallup Organization polled 1 024 U S adults about their opinions...
- Q There are 24 students enrolled in an introductory statistics class at a small university As an in class exercise the students were asked how many hours of television they watch...
- Q The following figure shows a randomization distribution for the hypotheses Ho versus H The statistic used for each sample is D 1 2 Which of the two possible sample results...
- Q A certain species of tree has an average life span of 130 years A researcher has noticed a large number of trees of this species washing up along a beach...
- Q Match the given conclusion to the most appropriate p value 0 0001 0 0361 0 0735 0 6082 The result is significant at the 5 level but not at a...
- Q According to U S Census data 71 6 of Americans are age 21 and over The provided figure shows possible sampling distributions for the proportion of a sample age 21...
- Q Fype Il error occurs by O rejecting the null hypothesis when the null hypothesis is false O not rejecting the null hypothesis when the null hypothesis is fa O rejecting...
- Q The sampling distribution shows sample means from samples of size n 50 59 61 63 65 67 69 71 Using the sampling distribution how likely is 68 7 O Reasonably...
- Q In a poll conducted before a Massachusetts city s mayoral election 134 of 420 randomly chosen likely voters indicated that they planned to vote for the Democratic candidate Suppose that...
- Q Consider testing the hypotheses Ho p 0 4 versus Ha p 0 4 Match the statistic to its p value a p b p c p d p p value...
- Q A student in an introductory statistics course investigated if there is evidence that the proportion of milk chocolate M M s that are green differs from the proportion of dark...
- Q A sample of 148 college students reports sleeping an average of 6 85 hours on weeknights with a margin of error of 0 35 hours Based on this information identify...
- Q The sampling distribution shows sample proportions from samples of size n 35 0 42 0 49 0 56 0 63 0 70 0 77 0 84 0 91 If samples...
- Q Identify whether the sample 20 20 20 20 20 is a possible bootstrap sample from the original sample 20 24 19 23 18 O Possible O Not Possible
- Q A sample of size 46 with a mean of 13 6 is to be used to construct a confidence interval for A bootstrap distribution based on 1 000 samples is...
- Q Recently the Centers for Disease Control and Prevention estimated 9 4 of children under the age of 18 had asthma They reported the standard error to be 0 35 Assuming...
- Q It is of interest to test the hypotheses Ho P 0 8 versus H P 0 8 The sample outcome based on n 10 observations is P 0 7 and...
- Q Identify if the following statement is a proper interpretation of a 95 confidence interval 95 of the population values will fall within this interval O Correct O Incorrect
- Q In a recent Gallup survey of 1 012 randomly selected U S adults age 18 and over 53 said that they were dissatisfied with the quality of education students receive...
- Q According to ESPN com the average number of yards per game for all NFL running backs with at least 50 attempts in the 2011 season was 49 yards game A...
- Q 17 X 2 7 0 2 where 0 05 Round your answer to the nearest thousandths Answer
- Q A certain forum reported that in a survey of 2008 American adults 21 said they believed in astrology a Calculate a confidence interval at the 99 confidence level for the...
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