Mean performance for each category of test

Reference no: EM13966275

In order to see the effect of hours of sleep on tests of different skill categories (vocabulary, reasoning, and arithmetic), tests consisting of 20 questions each in each category were given to 16 students, four each based on the hours of sleep they had on the previous night. Each right answer is given one point. Table gives the cumulative scores of the each of the four students in each category.

Table
Hours of sleep	Category
Hours of sleep	Vocabulary	Reasoning	Arithmetic
0	44	33	35
4	54	38	18
6	48	42	43
8	55	52	50

Test at the 0.05 level whether the true mean performance for different hours of sleep is the same. Also, test at the 0.05 level whether the true mean performance for each category of the test is the same.

Reference no: EM13966275

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