A researcher wishes to determine whether the salaries of professional nurses’ employees by private hospitals are higher than those of nurse’s employees by government-owned hospitals. She selects a sample of nurses from each type of hospital and calculates the mean and standard deviation of their salaries. At o.o1 level of significance, can she conclude that the average pay at private hospitals is more than the average pay at government hospitals? Assume that the populations are approximately normally distributed and having unknown and unequal population variances. Private Government Mean= $26,800 Mean= $25,400 S1= $600 S2= $450 n1=10 n2=8
A researcher wishes to determine whether the salaries of professional nurses’ employees by private hospitals are higher than those of nurse’s employees by government-owned hospitals. She selects a sample of nurses from each type of hospital and calculates the mean and standard deviation of their salaries. At o.o1 level of significance, can she conclude that the average pay at private hospitals is more than the average pay at government hospitals? Assume that the populations are approximately normally distributed and having unknown and unequal population variances. Private Government Mean= $26,800 Mean= $25,400 S1= $600 S2= $450 n1=10 n2=8
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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A researcher wishes to determine whether the salaries of professional nurses’
employees by private hospitals are higher than those of nurse’s employees by government-owned hospitals. She selects a sample of nurses from each type of hospital and calculates the mean and standard deviation of their salaries. At o.o1 level of significance, can she conclude that the average pay at private hospitals is more than the average pay at government hospitals? Assume that the populations are approximately
|
Private |
Government |
|
Mean= $26,800 |
Mean= $25,400 |
|
S1= $600 |
S2= $450 |
|
n1=10 |
n2=8 |
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