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Movies: Estimating Mean and Standard Deviation Consider
Chapter 3, Problem 6RE(choose chapter or problem)
Problem 6RE
Movies: Estimating Mean and Standard Deviation Consider the prices of regular movie tickets (not 3-D, and not discounted for children or seniors). The prices of movie tickets are $15, $20, $22. $24 and $25.
a. Estimate the mean price.
b. Use the range rule of thumb to make a rough estimate of the standard deviation of the prices.
Questions & Answers
QUESTION:
Problem 6RE
Movies: Estimating Mean and Standard Deviation Consider the prices of regular movie tickets (not 3-D, and not discounted for children or seniors). The prices of movie tickets are $15, $20, $22. $24 and $25.
a. Estimate the mean price.
b. Use the range rule of thumb to make a rough estimate of the standard deviation of the prices.
ANSWER:
Answer :
Step 1 of 1 :
a).
Consider the prices of regular movie tickets are
$15,$20,$22,$24,and $25
Now we have to estimate Mean and Standard Deviation
Find the mean (the average) of the data set:
=
Mean =
Mean =
Mean =