At the 01 level of significance is there sufficient

Assignment Help Basic Statistics

Reference no: EM13627972

Members of the general adult population volunteer an average of 4.2 hours per week. A random sample of 20 female college students and 18 male college students produced the results given in the table below. At the .01 level of significance, is there sufficient evidence to conclude that a difference exists between the mean number of volunteer hours per week for male and female college students?

	Females	Males
Sample size	20	18
Sample mean	3.8	2.5
Sample variance	3.5	2.2

A. No, because the test value 2.38 is greater than the critical value

B. No, because the test value 2.38 does not exceed the critical value

C. No, because the test value 2.90 is greater than the critical value

D. Yes, because the test value 2.90 is greater than the critical value

Reference no: EM13627972

Questions Cloud

Assuming theta 449 and the base of the prism is mirrored : a light ray is travelling in air is incident on one face of a right angle prism with index of refraction n1.5 and the

What is the probability of a strike settlement given that : experience has shown that 60 of the time a strike by union workers is settled within two-weeks 55 of the time the union

A cannon-ball of 5 kg acts as a piston in a cylinder of 015 : a cannon-ball of 5 kg acts as a piston in a cylinder of 0.15 m diameter. as the gun-powder is burned a pressure of 7

The rod is moving in the x-direction with a speed of 680ms : a metal rod with a length of 21.0cm lies in the xy-plane and makes an angle of 35.6deg with the positive x-axis and an

At the 01 level of significance is there sufficient : members of the general adult population volunteer an average of 4.2 hours per week. a random sample of 20 female

Calculate the angle between periapsis and the equatorial : consider an inertial reference frame with the center of the earth as its origin and with the x-y i-j plane in the

A valve in a cylinder has a cross sectional area of 11 cm2 : a valve in a cylinder has a cross sectional area of 11 cm2 with a pressure of 735 kpa inside the cylinder and 99 kpa

A charged capacitor with c 630uf is connected in series : a charged capacitor with c 630uf is connected in series to an inductor that has l 0.400h and negligible resistance.

Given that 30 of a community is hispanic when randomly : given that 30 of a community is hispanic when randomly selecting a jury of 12 persons what are the following

User Account

All Pages