Mrs. Paul wants to test that claim that, on average, her students average mark is 85. She pulls the records of 100 of per past students over a three-year period. The grades inputted into MINITAB for analysis. Exhibit 1 below shows the results of an analysis carried out on the data obtained. Exhibit 1 One-Sample Z: Level I/II Test of mu 85 vs mu not 85 The assumed sigma 15.0 Variable N Mean StDev SE Mean P Students Score 100 75.4 12.99 Calculate the missing value ** and use tables to approximate the value of *** . iv. Using a 1% level of significance, state the decision criteria for this test v. vi. State the conclusion for the test and why
Mrs. Paul wants to test that claim that, on average, her students average mark is 85. She pulls the records of 100 of per past students over a three-year period. The grades inputted into MINITAB for analysis. Exhibit 1 below shows the results of an analysis carried out on the data obtained. Exhibit 1 One-Sample Z: Level I/II Test of mu 85 vs mu not 85 The assumed sigma 15.0 Variable N Mean StDev SE Mean P Students Score 100 75.4 12.99 Calculate the missing value ** and use tables to approximate the value of *** . iv. Using a 1% level of significance, state the decision criteria for this test v. vi. State the conclusion for the test and why
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:Mrs. Paul wants to test that claim that, on average, her students average mark is 85. She pulls the
records of 100 of per past students over a three-year period.
for analysis. Exhibit 1 below shows the results of an analysis carried out on the data obtained.
The grades inputted into MINITAB
Exhibit
1
One-Sample Z:
Level I/II
Test
of
mu
85
VS
mu
not
85
The
assumed
sigma
15.0
Variable
N
Mean
StDev
SE Mean
P
Students
Score
100
75.4
12.99
**
* * *
Calculate the missing value ** and use tables to approximate the value of ***
iv.
Using a 1% level of significance, state the decision criteria for this test
V.
State the conclusion for the test and why
vi.
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