Determining number of absences has declined

Assignment Help Basic Statistics
Reference no: EM1311921

Q1) Lester Hollar is vice president for human resources for the large manufacturing company. In recent years he has noticed the increase in absenteeism that he believes is related to general health of employees. 4 years ago, in the attempt to improve situation, he began fitness program in which employees exercise in their lunch hour. To estimate program, he chosen a random sample of 8 participants and found number of days each was absent in 6 months before exercise program began and in last 6 months. Below are the results. At the 0.05 significance level, can he conclude that number of absences has declined? calculate approximately the p-value.  

Employee

Before

After

1

6

5

2

6

2

3

7

1

4

7

3

5

4

3

6

3

6

7

5

3

8

6

7

Reference no: EM1311921

Questions Cloud

Short and long run viewpoint : The airline has an average of 40 passengers paying an average of $200 for this flight.  Do you think the airline should be flying between the two cities? Evaluate from a short-run and long-run perspective.
What is its speed after it has moved the 7.50m : A force of k is applied to an object for a small fraction of a second, t_k, less than the duration of one frame, t_f. Our simulation doesn't support applying forces for less than an entire frame, so if we wanted to simulate the effect of force k over..
Financial and managerial accounting : Which of the following statements is false and There is no overlap between financial and managerial accounting.
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?
Determining number of absences has declined : At the 0.05 significance level, can he conclude that number of absences has declined? calculate approximately the p -value.
Accounting profit from farming an additional year : He projects that his costs also revenue will be similar this year if he continues farming. Illustrate what is Bowen's accounting profit from farming an additional year.
Find out the intensity if the frequency is increased : Find out the intensity if the frequency is increased to 2.90 kHz while constant displacement amplitude is maintained.
Marginal cost and unregulated monopolist : What is the level of price, output, and amount of profit for an unregulated monopolist? Analyze the effect of regulation on the allocation of resources. Which situation is most efficient? Which situation is most likely to be chosen by government?  ..
Narrate the merits of opening more stores in same market : Narrate the merits of opening more stores in same market area and Divide your answer into sections

Reviews

Write a Review

Basic Statistics Questions & Answers

  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).

  Correlation between the amount spent and gender

At a large department store, the amount a shopper spent and the shopper's gender (male or female) were recorded. To determine if gender is useful in explaining the amount of money a shopper spends at the store we could

  Inventory control problem-or method

Solve different inventory control problems using an appropriate OR method.

  Regression model

The average number of putts per hole for each player and their average driving distance is used to predict their total winnings using the multiple regression model where the deviations εI are assumed to be independent and Normally distributed with..

  Data in the scatterplot

The data in the scatterplot below are an individual's weight and the time it takes (in seconds) on a treadmill to raise his or her pulse rate to 140 beats per minute. The o's correspond to females and the +'s to males.

  Discrepancy from null hypothesis

In 1965, a newspaper carried a story about a high school student who reported getting 9207 heads and 8743 tails in 17,950 coin tosses.  Is this a significant discrepancy from the null hypothesis H 0 = 1/2.

  Evaluate average driving distance

An old saying in golf is "you drive for show and you putt for dough." The point is that good putting is more important than long driving for shooting low scores and hence winning money.

  Recognizing independent variable and dependent variable

Recognize independent variable and dependent variable for this experiment. Think in your head what influences what? Or, what causes what? Cause is independent variable.

  Poisson distribution with mean

Suppose that the number of babies born during an hour at a hospital's maternity wing follows a Poisson distribution with a mean of 4 per hour.

  Computing average daily rainfall in week

Compute average daily rainfall in the week and for weekends. Get the average of weekdays' rainfalls and average of weekend's rainfalls.

  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.

  Mean for a distribution

It is better to use the median rather than the mean for a distribution when:

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