Question

Asked Dec 1, 2019

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I wwould like the solutions for parts a-d

Step 1

The provided information’s are:

Sample size (*n*_{1}) = 59

Sample mean of night shift = 323

Standard deviation (σ_{1}) = 19

Sample size (*n*_{2}) = 67

Sample mean of day shift = 333

Standard deviation (σ_{2}) = 27.

Significance level (α) = 0.01

Step 2

The null and alternative hypotheses are:

Step 3

The test is one sided that is right tail.

The t...

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