9. The principal at a local high school asked 100 randomly selected students how many minutes they spend completing homework each night of the week. The mean time students in the sample spent on homework each night was 72.5 minutes. Assume the population mean time spent on homework each night is 81.2 minutes. Which of the following is the correct representation of the mean time spent on homework for the 100 randomly selected students in the sample and the population of students at the school? a. b. C. = 72.5 minutes and = 81.2 minutes, both are parameters. = 72.5 minutes and = 81.2 minutes, 72.5 is a parameter, but 81.2 is a statistic. = 72.5 minutes and 4= 81.2 minutes. 72.5 is a statistic but 81 ? is a parameter
9. The principal at a local high school asked 100 randomly selected students how many minutes they spend completing homework each night of the week. The mean time students in the sample spent on homework each night was 72.5 minutes. Assume the population mean time spent on homework each night is 81.2 minutes. Which of the following is the correct representation of the mean time spent on homework for the 100 randomly selected students in the sample and the population of students at the school? a. b. C. = 72.5 minutes and = 81.2 minutes, both are parameters. = 72.5 minutes and = 81.2 minutes, 72.5 is a parameter, but 81.2 is a statistic. = 72.5 minutes and 4= 81.2 minutes. 72.5 is a statistic but 81 ? is a parameter
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 26PFA
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