In each situation, find the value of the standardized statistic for the sample mean, and indicate whether the standardized statistic is a t-statistic or a z-statistic. (Round your answer for part (a) to three decimal places.) (a) x 175, μ = 170, s = 21, n = 4 standardized statistic = ; ---Select--- (b) x = 175, µ = 170, σ = 20, n = 4 standardized statistic = ---Select--- (c) x = 162, μ = 170, s = 10, n = 25 standardized statistic = ---Select---
In each situation, find the value of the standardized statistic for the sample mean, and indicate whether the standardized statistic is a t-statistic or a z-statistic. (Round your answer for part (a) to three decimal places.) (a) x 175, μ = 170, s = 21, n = 4 standardized statistic = ; ---Select--- (b) x = 175, µ = 170, σ = 20, n = 4 standardized statistic = ---Select--- (c) x = 162, μ = 170, s = 10, n = 25 standardized statistic = ---Select---
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 22PFA
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Transcribed Image Text:In each situation, find the value of the standardized statistic for the sample mean, and indicate whether the standardized statistic is a t-statistic or a
z-statistic. (Round your answer for part (a) to three decimal places.)
(a) x 175, μ = 170, s = 21, n = 4
standardized statistic =
; ---Select---
(b) x = 175, µ = 170, σ = 20, n = 4
standardized statistic =
---Select---
(c)
x =
162, μ = 170, s = 10, n = 25
standardized statistic =
---Select---
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