Five years ago the standard deviation of the ages of the

Reference no: EM13625909

Five years ago the standard deviation of the ages of the undergraduate business students was 1.5 years. Recently a sample of 26 such students had a standard deviation of 2.0 years. We are interested to see if there has been an increase in the standard deviation of the ages of the undergraduate business students.

1. The value of the test statistic is?

2. The p-value of the test is?

3. Assuming 1% significance level, the null hypothesis is rejected if?

4. Assuming 1% significance level one can conclude that?

Reference no: EM13625909

Questions Cloud

Ten kg of water is in a closed container with a volume of : ten kg of water is in a closed container with a volume of 0.73 m3 and a temperature of 1000 degc. determine the amount

As 7710 kg copper bar is put into a smelter for melting the : as 771.0 kg copper bar is put into a smelter for melting. the initial temperature of the copper is 300.0 k. how much

A refrigerator uses refrigerant-134a as the working fluid : a refrigerator uses refrigerant-134a as the working fluid and operates on the vapor-compression refrigeration cycle.

A cylinder fitted with a movable piston contains ideal gas : a cylinder fitted with a movable piston contains ideal gas at 27degc pressure 0.50 x 105 pa and volume 1.25 m3. what

Five years ago the standard deviation of the ages of the : five years ago the standard deviation of the ages of the undergraduate business students was 1.5 years. recently a

To find the minimum distance b to get the ball over the top : to find the minimum distance b to get the ball over the top im not sure weather you use conservation of mech energy or

A natural gas-fired furnace in a textile plant is used to : a natural gas-fired furnace in a textile plant is used to provide steam at 130 c. at times of high demand the furnace

We are interested in testing whether the standard : we are interested in testing whether the standard deviation of a population 1 is significantly greater than the

Ten kg of water is in a closed container with a volume of : ten kg of water is in a closed container with a volume of 0.73 m3 and a temperature of 1000 degc. determine the amount

User Account

All Pages