The durations (in minutes) of power failures at a residence in the last 4 years are listed below. 46 115 19 19 21 21 69 89 37 49 What is the mean duration? Select the correct choice below and fill in any answer box to complete your choice. A. The mean duration is minutes. (Round to one decimal place as needed.) OB. There is no mean score. Does the mean represent the center of the data? OA. The mean represents the center. OB. The mean does not represent the center because it is the largest data value. OC. The mean does not represent the center because it is not a data value. OD. The mean does not represent the center because it is the smallest data value. What is the median duration? Select the correct choice below and fill in any answer box to complete your choice. 31

The scores and their percent of the final grade for a statistics student are given. What is the student's weighted mean score? The student's weighted mean score is. (Simplify your answer. Round to two decimal places as needed.) Homework Quiz Quiz Project Final Exam Score Percent of final grade 85 90 90 98 89 15 10 10 35 30

{10, 12, 35, 45, 12, 16, 19, 21, 23, 32} data; a. Find the arithmetic mean. b. Find the geometric mean c. Find the harmonic mean. D. Find the mean squared.

The scores and their percent of the final grade for a statistics student are given. What is the student's weighted mean score? Score Percent of final grade Homework 81 20 Quiz Quiz 90 15 92 15 Project Final Exam 96 20 91 30 The student's weighted mean score is (Simplify your answer. Round to two decimal places as needed.)

A pet store has 8 cats. Here are their weights (in pounds). 8, 7, 10, 6, 7, 16, 8, 16 Find the mean weight of these cats. If necessary, round your answer to the nearest tenth. pounds × Ś ?

II On Friday night, the owner of Chez Pierre in downtown Chicago noted the amount spent for dinner for 28 four-person tables. 95 103 109 114 113 107 10 OLT 104 08 134 124 105 84 176 115 69 68 95 108 61 091 87 128 95 61 150 52 136 E Click here for the Excel Data File (a) Find the mean, median, and mode. (Round your answers to 2 decimal places.) Descriptive Statistics Data Count Mean Median Mode (b) Are the data symmetric or skewed? If skewed, which direction? O Symmetric O Skewed left O Skewed right Graw 11!H < Prev 10 of 19 ....... 2 Type here to search < įXƏN

The scores and the percents of the final grade for a student in a stats class are given. What is the student's mean score? Complete the thirds column

The mean age of two people in a room is 20 years.  A 50 year old person enters the room. What is the mean age of the 3 people in the room now 20 30 33.3 35 none of the above

Scores on a mathematics assessment test for eighth-graders have a mean of 284, a 10th percentile of 232, a 25th percentile of 256, a 75th percentile of 310, and a 90th percentile of 328. Interpret each of these numerical descriptive measures. Interpret the mean value of 284. Choose the correct answer below. OA. For this problem, the mean value of 284 represents the average test score on a mathematics assessment test for eighth-graders B. For this problem, the mean value of 284 represents the middle test score when the scores are arranged in ascending (or descending) order OC. For this problem, the mean value of 284 represents the variation in the test scores on a mathematics assessment test for eighth-graders D. For this problem, the mean value of 284 represents the range of test scores on a mathematics assessment test for eighth-graders

For the data in the table, find the mean and the median of the monthly high temperatures. Then do the same for the monthly low temperatures. The mean of the high temperatures is ______F (type an integer or a decimal.)   Month    High     low Jan           17         8 Feb           23        13 Mar          30        19            Temperatures are in degrees fahrenheit Apr           41        28 May         54        43