A newspaper story headline reads "Gender Plays Part in Monkeys' Toy Choices, Research Finds-Like Humans, Male Monkeys Choose Balls and Cars, While Females Prefer Dolls and Pots."t The article goes on to summarize findings published in the paper "Sex Differences in Response to Children's Toys in Nonhuman Primates."† Forty-four male monkeys and 44 female monkeys were each given a variety of toys, and the time spent playing with each toy was recorded. The table gives means and standard deviations (approximate values read from graphs in the paper) for the percentage of the time that a monkey spent playing with a particular toy. Assume that it is reasonable to regard these two samples of 44 monkeys as representative of the populations of male monkeys and of female monkeys. Use a 0.05 significance level for any hypothesis tests that you carry out when answering the various parts of this exercise. (Use u, for male monkeys and u, for female monkeys.) Percent of Time Female Monkeys Male Monkeys Sample Mean Sample Standard Sample Mean Sample Standard Deviation n Deviation Police Car 44 44 17 4 Тoy Doll 44 21 44 8 Furry Dog 44 19 44 26 n USE SALT "masculine" toy. Do these data provide convincing evidence that the mean percentage of the time spent playing with the police car is greater for male monkeys (a) The police car was considered than for female monkeys? State the appropriate null and alternative hypotheses. O Ho: H1 - 42 > 0 Hi H1 - H2 = 0 O Ho: H1 - 42 0 O Hoi Hq- Hz = 0 H,: H1 - H2 > 0 O Ho: H1 - 42 = 0 H: H, - H, < 0

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

See similar textbooks

Related questions

Question

A newspaper story headline reads "Gender Plays Part in Monkeys' Toy Choices, Research Finds—Like Humans, Male Monkeys Choose Balls and Cars, While Females Prefer Dolls and Pots."† The article goes on to summarize findings published in the paper "Sex Differences in Response to Children's Toys in Nonhuman Primates."† Forty-four male monkeys and 44 female monkeys were each given a variety of toys, and the time spent playing with each toy was recorded. The table gives means and standard deviations (approximate values read from graphs in the paper) for the percentage of the time that a monkey spent playing with a particular toy. Assume that it is reasonable to regard these two samples of 44 monkeys as representative of the populations of male monkeys and of female monkeys. Use a 0.05 significance level for any hypothesis tests that you carry out when answering the various parts of this exercise. (Use ?₁ for male monkeys and ?₂ for female monkeys.)