davenport stat500 week 2 quiz ch 3 davenport stat500 week 2 quiz ch 3 Question · Question 1 5 out of 5 points Save your time! Proper editing and formatting Free revision, title page, and bibliography Flexible prices and money-back guarantee ORDER NOW Dave is a college student contemplating a possible career option. One factor that will influence his decision is the amount of money he is likely to make. He decides to look up the average salary of graduates in that profession. Which information would be more useful to him, the mean salary or the median salary. Explain. · Question 2 5 out of 5 points Make sure you submit a unique essay Our writers will provide you with an essay sample written from scratch: any topic, any deadline, any instructions. 100% ORIGINAL ORDER NOW Find the mean for the given sample. Unless indicated otherwise, round your answer to one more decimal place than is present in the original data values. Last year, nine employees of an electronics company retired. Their ages at retirement are listed below. Find the mean retirement age. 52 50 60 68 64 50 64 58 50. · Question 3 5 out of 5 points Last year, nine employees of an electronics company retired. Their ages at retirement are listed below. Find the median retirement age. 52 50 60 68 64 50 64 58 50. · Question 4 5 out of 5 points Find the mode for the given sample data. Last year, nine employees of an electronics company retired. Their ages at retirement are listed below: 52 50 60 68 64 50 64 58 50. · Question 5 5 out of 5 points Find the variance for the given data. Round your answer to one more decimal place than the original data. Jeanne is currently taking college zoology. The instructor often gives quizzes. On the past five quizzes, Jeanned got the following scores: 18 16 3 1 20 · Question 6 5 out of 5 points Use the empirical rule to solve the problem. At one college, GPA's are normally distributed with a mean of 2.6 and a standard deviation of 0.4. What percentage of students at the college level have a GPA between 2.2 and 3? · Question 7 5 out of 5 points 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 of 12 mmHg. What percentage of 18-year-old women have a systolic blood pressure between 96mmHg and 144mmHg? · Question 8 5 out of 5 points Find the number of standard deviations from the mean. Round your answer to the nearast two decmial places. The annual snowfall in a town has a mean of 31 inches and a standard deviation of 11 inches. Last year there were 66 inches of snow. How many standard deviations from the means is that? · Question 9 5 out of 5 points 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 it its z-score is less than -2.00 or greater than 2.00. Round the z-score to the nearest tenth, if necessary. A weight of 99 pounds among a population having a mean weight of 162 pounds and a standard deviation of 24.3 pounds. · Question 10 5 out of 5 points Determine which score corresponds to the higher relative position. Which score has the highest relative position: a) a score of 51.5 on a test for which the mean x = 47 and s = 9, b) a score of 5.9 on test for which the mean x = 4.2 and s = 1.2, or c) a score of 460.8 on a test for which the mean x = 444 and s = 42? · Question 11 0 out of 5 points Suppose that all values in a data set are converted to z-scores. Which of the following statements below is true? · Question 12 5 out of 5 points Find the percentile for the data value = 6. Data set: 4 12 9 6 4 4 12 6 4 12 2 12 15 5 9 4 12 9 6 12