Question
Asked Nov 12, 2019
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Please show TI 84 steps. 

Ho: u= 16.2
Ha: u<16.2
9.
Test the hypothesis
on the following data: 12, 15, 16, 10, 21,23.
Use α=
1%.
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Ho: u= 16.2 Ha: u<16.2 9. Test the hypothesis on the following data: 12, 15, 16, 10, 21,23. Use α= 1%.

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Expert Answer

Step 1

The sample mean is calculated using TI-84 calculator:

Procedure to obtain sample mean and sample standard deviation using TI-84 calculator:

  • Click on the STAT button on the calculator.
  • Click on Edit and press
  • Clean the existing data form lists by pressing Clear and
  • Enter the data into L1 column.
  • Click on STAT button to return to menu.
  • Click on CALC.
  • Select 1-Var Stats and click on
  • Click on 2nd button and then 1 to select L1.
  • Select calculate and Click on Enter.

The sample mean value is 16.1667.

The standard deviation value is 5.0365.

Step 2

State the hypotheses:

Null hypothesis:

H0:µ=16.2

Alternative Hypothesis:

Ha:µ<16.2

Step 3

Procedure to obtain p-value of t-test using TI-84 calculator:

  • Click on the STAT button on the calculator.
  • Click on 2-T-test.
  • In Input: Data Stats, enter population mean as2.
  • Enter sample mean as1667.
  • Enter sample standard deviation as0365.
  • Enter sample size as 6.
  • Select µ0<.
  • Highlight calculate and click on

The test statistic val...

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