Question

An elementary school teacher is interested in knowing if there is a significant difference in the average reading speed of fifth-grade boys and girls. She randomly selects 36 fifth grades boys and 36 fifth grade girls for the study. Each student is given several pages of the same book to read and the time it takes them to complete the reading is recorded in minutes.

	Boys	Girls
Sample Size	36	36
Sample Mean reading speed (in minutes)	11	12
Population Variance	3	2

​

​The p-value is

	a.	0.238
	b.	0.336
	c.	0.0037
	d.	0.156

Answer 1

Ans! we have given we łe= 12. 62 = 52 21:41 a 11 0 253=1.73, mi= n₂ = 36 - siste - 11-12 2- -2688. p value = 0.0037 option is true.