A random sample of the amount paid (in dollars) for taxi fare from downtown to the airport was obtained. (Give your answers correct to two decimal places.) 16 23 18 18 23 18 19 14 18 12 22 23 23 14 13 (a) Use the data to find a point estimate for the mean. 18.27 (b) Use the data to find a point estimate for the variance. (c) Use the data to find a point estimate for the standard deviation.

Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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I already answered a. I just need b and c
A random sample of the amount paid (in dollars) for taxi fare from downtown to the airport
was obtained. (Give your answers correct to two decimal places.)
16 23 18 18 23 18 19 14 18 12 22 23 23 14 13
(a) Use the data to find a point estimate for the mean.
18.27
$4
(b) Use the data to find a point estimate for the variance.
(c) Use the data to find a point estimate for the standard deviation.
$
Transcribed Image Text:A random sample of the amount paid (in dollars) for taxi fare from downtown to the airport was obtained. (Give your answers correct to two decimal places.) 16 23 18 18 23 18 19 14 18 12 22 23 23 14 13 (a) Use the data to find a point estimate for the mean. 18.27 $4 (b) Use the data to find a point estimate for the variance. (c) Use the data to find a point estimate for the standard deviation. $
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