Mathematics: A computer professor is interested in studying the amount of time it would take students enrolled in the Introduction to Computers course to write and run a program in Matlab. The professor hires you to analyze the following results in minutes from a random sample of 9 students: 10 12 8 16 12 13 10 11 15 Required: At the 0.05 level of significance, is there evidence that the population average time is greater than 10 minutes?

A computer professor is interested in studying the

marenh04938

25.07.2021

Following are the solution to the given question:

Step-by-step explanation:

In this question, firstly we calculating the $\bar{x} \ \ and \ \ s$

$\bar{x}=11.89 \\\\s = 2.52\\\\n = 9\\\\\alpha=0.05\\$

$H_0 : u \leq 10\\\\ H_1 : u 10$

It is an upper test and testing the statistics:

$t=\frac{\bar{x}-\mu }{\frac{s}{\sqrt{n}}}\\\\t=\frac{11.89-10 }{\frac{2.52}{\sqrt{9}}}\\\\t=2.25\\\\$

So, the test statistics t=2.25

$\alpha=0.05 \\\\ d.f = n-1\\\\$

$=9-1\\\\=8$

critical value =2.306 ( using t-table ) $critical\ value \ test\ statistics , \ Fail\ to\ Reject\ H_0$

Decision: We should not reject the null hypothesis.

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YunoGasai34

15.08.2021

khan academy

Step-by-step explanation:

all you need is khan academy go to khan academy then click math then search the math your learning an dit should tell you how to do it

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