Significant mean difference

Assignment Help Basic Statistics
Reference no: EM1314914

To test whether there is significant mean difference between two groups using independent sample t test.

The managers in a company's East and West region were rated on the basis of the company's evaluation system. A researcher wishes to conduct a t-test of means to determine if there is a difference between the East and West regions. Perform the calculation.

Region

Manager

Rating

Region

Manager

Rating

West

1

74

East

1

81

West

2

88

East

2

63

West

3

78

East

3

56

West

4

85

East

4

68

West

5

100

East

5

80

West

6

114

East

6

79

West

7

98

East

7

69

Reference no: EM1314914

Questions Cloud

Calculate the break-even point for each firm : Calculate the break-even point for each firm in terms of revenue and effects of operating leverage High Tech.
Desire the direction of incoming ball as positive direction : A helicopter flies at a constant altitude towing a mass M of 119 kg. The helicopter and the mass have a horizontal acceleration of 2.54 m/s^2. Ignore air resistance find the tension in the cable.
Illustrate what percentage increase in the money supply : If the objective is to keep the price level the same next yr illustrate what percentage increase in the money supply should the central bank plan
Computation of the price of the forward contract : Computation of the price of the forward contract and position and what are the forward price and the value of the short position in the forward contract
Significant mean difference : To test whether there is significant mean difference between two groups using independent sample t test.
Purpose a contribution margin format income statement : Purpose a contribution margin format income statement; calculate break-even point: Presented here is the income statement for Edwards Co. For February
Impact of subsidy on consumers : Demonstrate that removing the subsidy will make consumers worse off but will nevertheless improve society's economic welfare.
What is the x coordinate of particle : The minimum stopping distance for a car travelling at a speed of 30 {rm m/s} is 60 {rm m}, including the distance travelled during the driver's reaction time of 0.54 {rm s}.
Bond returns is consistent with this portfolio standard : Illustrate what correlation between the stocks also bond returns is consistent with this portfolio standard deviation.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Statistics-probability assignment

MATH1550H: Assignment:  Question:  A word is selected at random from the following poem of Persian poet and mathematician Omar Khayyam (1048-1131), translated by English poet Edward Fitzgerald (1808-1883). Find the expected value of the length of th..

  What is the least number

MATH1550H: Assignment:  Question:     what is the least number of applicants that should be interviewed so as to have at least 50% chance of finding one such secretary?

  Determine the value of k

MATH1550H: Assignment:  Question:     Experience shows that X, the number of customers entering a post office during any period of time t, is a random variable the probability mass function of which is of the form

  What is the probability

MATH1550H: Assignment:Questions: (Genetics) What is the probability that at most two of the offspring are aa?

  Binomial distributions

MATH1550H: Assignment:  Questions:  Let’s assume the department of Mathematics of Trent University has 11 faculty members. For i = 0; 1; 2; 3; find pi, the probability that i of them were born on Canada Day using the binomial distributions.

  Caselet on mcdonald’s vs. burger king - waiting time

Caselet on McDonald’s vs. Burger King - Waiting time

  Generate descriptive statistics

Generate descriptive statistics. Create a stem-and-leaf plot of the data and box plot of the data.

  Sampling variability and standard error

Problems on Sampling Variability and Standard Error and Confidence Intervals

  Estimate the population mean

Estimate the population mean

  Conduct a marketing experiment

Conduct a marketing experiment in which students are to taste one of two different brands of soft drink

  Find out the probability

Find out the probability

  Linear programming models

LINEAR PROGRAMMING MODELS

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd