Birth Weights A simple random sample of birth weights of 30 girls has a standard deviation of 829.5hg.
Data Set 4, "Births," provides a standard deviation in weights of boys as being 660.2 hg.
9) Use a 0:01 significance level to test the claim that the birth weights of girls have the same standard
deviation as those of boys.
10) Be sure to express your conclusion in a complete sentence.

Which value of c would make he following expression completely factored? 8x+cy

The means and mean absolute deviations of the individual times of members on two 4x400-meter relay track teams are shown in the table below. means and mean absolute deviations of individual times of members of 4x400-meter relay track teams team a team b mean 59.32 s 59.1 s mean absolute deviation 1.5 s 245 what percent of team b's mean absolute deviation is the difference in the means? 9% 15% 25% 65%

Which of the following are independent events? a) knowing that it is going to rain tomorrow, and bringing an umbrella to schoolb) knowing that you have to get up early tomorrow, and going to bed before 9 p. mc) knowing that it is going to rain tomorrow, and going to bed before 9 p. md) knowing that you have a test in school tomorrow, and studying thw night before