31) An anatomy teacher hypothesizes that the final grades in her class are distributed as 10%A's, 23% B's, 45% C's, 14 % D's, and 8% F's. At the end of the semester, she has the31)following grades.D FCB8 414 226Find the critical value. Use a = 0.05.B) 9.488C) 9.236D) 11.070A) 7.779

Given:Number of categories = 5Level of significance (α) = 0.05.The degree of freedom is = Number of…

Answered: 31) An anatomy teacher hypothesizes…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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A researcher thinks that watching violent televisions increases aggressive behavior in children. To test this hypothesis, she randomly assigns 48 children into one of 3 groups (no violent TV, a little violent TV, or a lot of violent TV) and observes their playground behavior for three weeks and measures it for violence and intensity. For the variable “amount of TV” (as it appears in this problem), what is the scale of measurement? a. nominal b. ordinal c. interval d. ratio A researcher thinks that watching violent televisions increases aggressive behavior in children. To test this hypothesis, she randomly assigns 48 children into one of 3 groups (no violent TV, a little violent TV, or a lot of violent TV) and observes their playground behavior for three weeks and measures it for violence and intensity. If the researcher’s hypothesis is correct, which of the following conclusions could be drawn? a. Fail to reject the null, watching violent TV does not increase…

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31) An anatomy teacher hypothesizes that the final grades in her class are distributed as 10% A's, 23% B's, 45% C's, 14 % D's, and 8% F's. At the end of the semester, she has the 31) following grades. D F C B 8 4 14 22 6 Find the critical value. Use a = 0.05. B) 9.488 C) 9.236 D) 11.070 A) 7.779