The attached file contains trials data of a school's Track & Field meet's long jump competition....

The attached file contains trials data of a school's Track & Field meet's long jump competition. Find a 95% confidence interval for the difference in the means of populations Grade7 and Grade8.

Step 1: Perform an ANOVA and find MSE .

Step 2: State the statistic.

Step 3: Find t* from the t-distribution.

Step 4: Find a 95% confidence interval for the difference in the means of populations Grade7 and Grade8.

Step 5: Using Bootstrap, find a 95% confidence interval for the difference in the means of populations Grade7 and Grade8.

Test for a difference in population means between groups Grade5 and Grade6. Show all details of the test.

Step 6: State the Hypotheses.

Step 7: Provide a snapshot of the ANOVA table.

Step 8: Find the t-statistic

Step 9: Find the p-value

Step 10: What is the conclusion of the test?

grade	inches
grade5	90.27331
grade5	84.70466
grade5	86.38589
grade5	83.2748
grade5	80.96984
grade5	95.38951
grade6	72.67899
grade6	75.32279
grade6	73.92181
grade6	68.57188
grade6	78.84848
grade6	87.65805
grade7	85.94005
grade7	69.57773
grade7	72.43508
grade7	82.18177
grade7	94.19027
grade7	75.67511
grade8	61.88902
grade8	72.57855
grade8	72.06824
grade8	69.97857
grade8	62.15302
grade8	77.3306

Expert Solution

orchestra answered 3 years ago

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