List all the hypotheses for the ANOVA described in Exercise 12.54 for

(a) Rows,

(b) Columns, and

(c) Interaction.

Data from exercise 12.54

A researcher was interested in the impact of different types of day care on children€™s development. She obtained samples of children who (a) Had been watched by a babysitter at home; (b) Had attended small, home-based day care; or (c) Had gone to a large day-care center. She also classified the children as having received paid care for (1) Less than 40 hours a week or (2) 40 or more hours per week.

There were eight children in each cell and no siblings were included. She measured each child€™s adjustment level, on an interval scale, in the first grade. Below are the means (and standard deviations).

Transcribed Image Text:

Small Day Large Day Care Babysitter Care 108.28 <40 112.66 106.80 hours (14.83) (16.76) (17.65) >40 114.88 108.71 109.28 hours (13.12) (15.66) (16.77)