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You take random samples of ten car owners and ask them, "To the nearest year, how old is your current car?" Their responses are as follows: 0 years, 1 year, 2 years, 4 years, 8 years, 3 years, 10 years, 17 years, 2 years, and 7 years. To the nearest year, what is the standard deviation of this sample? a. 6 years C. 5.5 years

You take random samples of ten car owners and ask them, "To the nearest year, how old is your current car?" Their responses are as follows: 0 years, 1 year, 2 years, 4 years, 8 years, 3 years, 10 years, 17 years, 2 years, and 7 years. To the nearest year, what is the standard deviation of this sample? a. 6 years C. 5.5 years

A First Course in Probability (10th Edition)
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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Instruction: Select the correct answer for each of the following questions. Follow the instructions. Kindly provide a COMPLETE and CLEAR solution. Answer it ASAP because I really need it right now.

The answer should be typewritten.

1. You take random samples of ten car owners and ask them, "To the nearest year, how old is your current car?" Their responses are as follows: 0 years, 1 year, 2 years, 4 years, 8 years, 3 years, 10 years, 17 years, 2 years, and 7 years. To the nearest year, what is the standard deviation of this sample? a. 6 years b. 5 years C. c. 5.5 years d. 6.5 years 2. Seven students got the following exam scores (percent correct) on a science exam: 0%, 40%, 50%, 65%, 75%, 90%, 100%. Which of these exam scores is at the 5th percentile? c. 65% d. 50% a. 85% ·b. 75%
Transcribed Image Text:1. You take random samples of ten car owners and ask them, "To the nearest year, how old is your current car?" Their responses are as follows: 0 years, 1 year, 2 years, 4 years, 8 years, 3 years, 10 years, 17 years, 2 years, and 7 years. To the nearest year, what is the standard deviation of this sample? a. 6 years b. 5 years C. c. 5.5 years d. 6.5 years 2. Seven students got the following exam scores (percent correct) on a science exam: 0%, 40%, 50%, 65%, 75%, 90%, 100%. Which of these exam scores is at the 5th percentile? c. 65% d. 50% a. 85% ·b. 75%
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1. You take random samples of ten car owners and ask them, "To the nearest year, how old is your current car?" Their responses are as follows: 0 years, 1 year, 2 years, 4 years, 8 years, 3 years, 10 years, 17 years, 2 years, and 7 years. To the nearest year, what is the standard deviation of this sample? a. 6 years b. 5 years C. c. 5.5 years d. 6.5 years 2. Seven students got the following exam scores (percent correct) on a science exam: 0%, 40%, 50%, 65%, 75%, 90%, 100%. Which of these exam scores is at the 5th percentile? c. 65% d. 50% a. 85% ·b. 75%
Transcribed Image Text:1. You take random samples of ten car owners and ask them, "To the nearest year, how old is your current car?" Their responses are as follows: 0 years, 1 year, 2 years, 4 years, 8 years, 3 years, 10 years, 17 years, 2 years, and 7 years. To the nearest year, what is the standard deviation of this sample? a. 6 years b. 5 years C. c. 5.5 years d. 6.5 years 2. Seven students got the following exam scores (percent correct) on a science exam: 0%, 40%, 50%, 65%, 75%, 90%, 100%. Which of these exam scores is at the 5th percentile? c. 65% d. 50% a. 85% ·b. 75%
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