At the a05 level of significance what is the difference if

Reference no: EM13613831

To test for any significant difference in the number of hours between breakdowns for four machines, the following data were obtained.

Machine 1 Machine 2 Machine 3 Machine 4

6.4 8.7 11.1 9.9

7.8 7.4 10.3 12.8

5.3 9.4 9.7 12.1

7.4 10.1 10.3 10.8

8.4 9.2 9.2 11.3

7.3 9.8 8.8 11.5

a. At the a=.05 level of significance, what is the difference, if any, in the population mean times among the four machines?

b. Use Fisher's LSD procedure to test for the quality of the means for machines 2 and 4. Use a .05 level of sginificance.

Reference no: EM13613831

Questions Cloud

Monterey corporation is considering the purchase of a : monterey corporation is considering the purchase of a machine costing 36000 with a 6-year useful life and no salvage

Calculating the probability of an outcome is useful in all : 1. if the probability of an event is .3 that meansa. the event has a 70 chance of not occuringb. the complement of the

A company is considering the purchase of a new machine for : a company is considering the purchase of a new machine for 72000. management predicts that the machine can produce

Find the following percentiles for the standard normal : find the following percentiles for the standard normal distribution. interpolate where appropriate. round your answers

At the a05 level of significance what is the difference if : to test for any significant difference in the number of hours between breakdowns for four machines the following data

A company started the year with accounts receivable of : a company started the year with accounts receivable of 15000 and an allowance for uncollectible accounts of 1500.

A boat has a mass of 7920 kg its engines generate a drive : a boat has a mass of 7920 kg. its engines generate a drive force of 3070 n due west while the wind exerts a force of

Calculate the estimate for the standard error of difference : calculate the estimate for the standard error of difference between two independent means for s12 13 s22 20 n1 22

An other frame moves with a speed of 095 relative to the : an other frame moves with a speed of 0.95 relative to the home frame. an object at rest in the other frame has a length

User Account

All Pages