Question: The null hypothesis in a paired samples t test is that the two samples have identical means populations have different means populations have identical means

The null hypothesis in a paired samplesttest is that the two

samples have identical means
populations have different means
populations have identical means
samples have different means

A school superintendant was planning for the upcoming school year.She was assessing the needs for classroom supplies and wanted to know if there was a difference among class sizes at elementary, middle, and high schools in the district.Here are the data:

Elementary Middle Secondary

27 17 10

25 12 12

30 10 14

17 8 16

14 5 18

20 20

What test should she conduct to determine if there is a difference among the levels?What do the results mean?Please write up your results according to the handbook and describe any follow up or additional statistical analysis, if necessary.

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