Question

#17    A researcher wants to determine whether girls spend more time in a day texting friends than boys do. They gather a sample of n1 = 10 girls and a sample of n2 = 6 boys. They find that the average time spent texting friends for girls is M1 = 3 hours with a SS1 of 44. They also find that the average time spent texting friends for boys is M2 = 2 hours with a SS2 of 40. Use an alpha level of α = .05 for your computation.

What are the hypotheses in mathematical notation?

Answer 1

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