Determining evidence of difference in median performance

Assignment Help Basic Statistics
Reference no: EM1313392

Q1) A vice president for marketing recruits 20 college graduates for management training. 20 individuals are arbitrarily assigned, 10 each, to one of two groups. "Traditional" method of training (T) is utilized in one group, and the "experimental" method (E) is used in other. After graduates spend 6 months on job, vice president ranks them on basis of their performance, from 1 (worst) to 20 (best), with following results:

T

1

2

3

5

9

10

12

13

14

15

E

4

6

7

8

11

16

17

18

19

20

Is there evidence of difference in median performance between two methods? (Use α = 0.05.)

Reference no: EM1313392

Questions Cloud

Utilizing a mode also thinking about economic activity : Why are assumptions made when utilizing a mode also thinking about economic activity. Textiles also apparel accounts for Illustrate what fraction of industrial employment in Pakistan.
What will the student''s acceleration be : Soccer ball is kicked with a speed of 11.50 m/s at an angle of 30.0° above the horizontal. If the ball lands at the same level from which it was kicked, how long was it in the air.
Genetics concepts : Explain how many kinetochores are there within the human cell at mitosis? Surprise, your boss has invited himself or herself to dinner! All you have is some wilted, day old lettuce.
Probability of sample or average medians : Calculate the probability that the median of the sample or average medians is:
Determining evidence of difference in median performance : Is there evidence of difference in median performance between two methods? (Use α = 0.05.)
How the market for bicycles increase in the price : You had chosen to take a trip during spring break if you had not gone you would either work a temporary job or studied for exams the opportunity cost of your trip.
The distance separating moon and earth is 386000 km : An electric scooter has a battery capable of supplying 140 Wh of energy. If friction forces and other losses account for 60 percent of the energy usage, what altitude change can a rider achieve while driving in hilly terrain, if the rider and scooter..
Most current costs in the income statement : The inventory methods that result in the most current costs in the income statement and balance sheet and In a period of rising prices, the inventory method that results in the lowest income tax payment
Inertia and torque of the rotating bodies : Inertia and torque of the rotating bodies.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Mean and variance for binomial distribution

Morality Study for a group of four men, the probability distribution for the number x who live through the next year is as given in the accompanying table.

  Determine the effects of three different pesticides

An experiment was conducted to determine the effects of three different pesticides (P1,P2,P3) on the yield of three different varieties of citrus tree (V1,V2,V3).

  Preparing a x-bar chart

For the data shown below, prepare a x-bar chart. Note that the sample size is three. Record the values for the UCL, center line, and LCL. In addition, note any points that are out of control.

  Hypothesis test for difference between two means

What is the 95% confidence interval for the difference between the mean prices of the two models?

  Hypothesis test for two population proportions

Conduct the hypothesis test and compute the p-value. At a 0.05 level of significance, what is your conclusion?

  Case study: are the fish safe to eat?

CASE STUDY: Are the Fish Safe to Eat?  Assessing which Factors affect Mercury Levels in Fish in Maine Lakes.

  Simple random samples from the appropriate populations

Based on surveys conducted in 1989 and 1999, a researcher compared the proportion of high school age females interested in a career in science in 1989 with the proportion in 1999. He concluded that the proportions were not significantly different ..

  Evaluate the f statistic for interaction

A scientist examined the effect of temperature and catalyst on the yield of a reaction. He ran the experiment at both 150° and 200°C with two types of catalyst.

  Partial anova table

Assume the data for the three groups are independent and the data are approximately Normal. The P-value is less than 0.01. The correct conclusion is that

  Choosing appropriate random variable type

Which of these variables are discrete and which are continuous random variables?

  Cross table or pivot table

What is the probability that a cereal would be high calorie, given that it is high fiber? In other words, what is P (high calorie, given high fiber)?

  Defining the lower and upper limits of interval

What proportion of time will it take clean-up crew 56 or more hours for cleaning plant? Define the lower and upper limits of interval.

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