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Q.10

Expert-verified
Found in: Page 654

### Introductory Statistics

Book edition OER 2018
Author(s) Barbara Illowsky, Susan Dean
Pages 902 pages
ISBN 9781938168208

# A teacher predict that the distribution of grades on the final exam will be and they are recorded in table 11.27 The actual distribution for a class of 20 is in table 11.28State the null and alternative hypothesis

${H}_{0}:$The observed and expected test scores are identical.

${H}_{\alpha }:$Actual test results differ from expected test results.

See the step by step solution

## Step 1: Given Information

Given tables are

We have to state the null and alternative hypothesis.

## Step2: Explanation

The null hypothesis is as follows:

${H}_{0}:$The observed and expected test scores are identical.

The alternate hypothesis is as follows:

${H}_{\alpha }:$ Actual test results differ from expected test results.