What is the calculated t value are the mean test scores of

Assignment Help Basic Statistics

Reference no: EM13612258

You are conducting a study to see if students do better when they study all at once or in intervals. One group of 12 participants took a test after studying for one hour continuously. The other group of 12 participants took a test after studying for three twenty minute sessions. The first group had a mean score of 75 and a variance of 120. The second group had a mean score of 86 and a variance of 100.

a. What is the calculated t value? Are the mean test scores of these two groups significantly different at the .05 level?

b. What would the t value be if there were only 6 participants in each group? Would the scores be significant at the .05 level?

Reference no: EM13612258

Questions Cloud

Prepare journal entries to record the following : prepare journal entries to record the following transactions entered into by flip company 2012 june 1 received a 10000

An eagle is flying horizontally at 55 ms with a fish in its : an eagle is flying horizontally at 5.5 ms with a fish in its claws. it accidentally drops the fish. a how much time

If the power generated by the turbine is 4 mw determine the : steam expands in a turbine steadily at a rate of 25000 kgh entering at 6 mpa and 450degc and leaving at 20 kpa as a

The following information is available for flip company : the following information is available for flip company beginning inventory 600 units at 4 first purchase 900 units at

What is the calculated t value are the mean test scores of : you are conducting a study to see if students do better when they study all at once or in intervals. one group of 12

The following items were taken from the post adjusted trial : the following items were taken from the post adjusted trial balance of flip company. all balances are normal. mortgage

The amount of mass that has escaped and c the entropy : a rigid tank contains 7.5 kg of saturated water mixture at 400 kpa. a valve at the bottom of the tank is now opened and

However the current is 0540 ms and it carries the swimmer : a swimmer capable of swimming at a speed of 1.59 ms in still water i.e. the swimmer can swim with a speed of 1.59 ms

Prepare in journal form without explanations the end of : the account balances appearing on the trial balance below were taken from the general ledger of flips copy shop at

User Account

All Pages