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
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 1GP
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