If we know the standard deviation of the population (commonly denoted ?σ), then what is the z-value used in a 95% confidence interval? Recall that confidence intervals are of the form: point estimate +/- z-value x (standard error of point estimate) Group of answer choices 1.645 1.960 2.576 3.000

If we know the standard deviation of the population (commonly denoted ?σ), then what is the z-value used in a 95% confidence interval? Recall that confidence intervals are of the form: point estimate +/- z-value x (standard error of point estimate) Group of answer choices 1.645 1.960 2.576 3.000

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 13PPS

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Question

If we know the standard deviation of the population (commonly denoted ?σ), then what is the z-value used in a 95% confidence interval? Recall that confidence intervals are of the form:

point estimate +/- z-value x (standard error of point estimate)

Group of answer choices

1.645

1.960

2.576

3.000

Expert Solution