Question

A company manufactures printers and fax machines at plants located in Atlanta, Dallas, and Seattle. To...

A company manufactures printers and fax machines at plants located in Atlanta, Dallas, and Seattle. To measure how much employees at these plants know about quality management, a random sample of 6 employees was selected from each plant and the employees selected were given a quality awareness examination. The examination scores for these 18 employees are shown in the following table. The sample means, sample variances, and sample standard deviations for each group are also provided. Managers want to use these data to test the hypothesis that the mean examination score is the same for all three plants.

Plant 1
Atlanta
Plant 2
Dallas
Plant 3
Seattle
85 70 59
74 74 65
81 73 62
76 75 68
71 68 74
93 90 74
Sample
mean
80 75 67
Sample
variance
65.6 60.8 38.4
Sample
standard
deviation
8.10 7.80 6.20

Set up the ANOVA table for these data. (Round your values for MSE and F to two decimal places, and your p-value to four decimal places.)

Source
of Variation
Sum
of Squares
Degrees
of Freedom
Mean
Square
F p-value
Treatments
Error
Total

Test for any significant difference in the mean examination score for the three plants. Use α = 0.05.

State the null and alternative hypotheses.

Find the value of the test statistic. (Round your answer to two decimal places.)

Find the p-value. (Round your answer to four decimal places.)

State your conclusion.

Homework Answers

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
A company manufactures printers and fax machines at plants located in Atlanta, Dallas, and Seattle. To...
A company manufactures printers and fax machines at plants located in Atlanta, Dallas, and Seattle. To measure how much employees at these plants know about quality management, a random sample of 6 employees was selected from each plant and the employees selected were given a quality awareness examination. The examination scores for these 18 employees are shown in the following table. The sample means, sample variances, and sample standard deviations for each group are also provided. Managers want to use...
A company manufactures printers and fax machines at plants located in Atlanta, Dallas, and Seattle. To...
A company manufactures printers and fax machines at plants located in Atlanta, Dallas, and Seattle. To measure how much employees at these plants know about quality management, a random sample of 6 employees was selected from each plant and the employees selected were given a quality awareness examination. The examination scores for these 18 employees are shown in the following table. The sample means, sample variances, and sample standard deviations for each group are also provided. Managers want to use...
A company manufactures printers and fax machines at plants located in Atlanta, Dallas, and Seattle. To...
A company manufactures printers and fax machines at plants located in Atlanta, Dallas, and Seattle. To measure how much employees at these plants know about quality management, a random sample of 6 employees was selected from each plant and the employees selected were given a quality awareness examination. The examination scores for these 18 employees are shown in the following table. The sample means, sample variances, and sample standard deviations for each group are also provided. Managers want to use...
A company manufactures printers and fax machines at plants located in Atlanta, Dallas, and Seattle. To...
A company manufactures printers and fax machines at plants located in Atlanta, Dallas, and Seattle. To measure how much employees at these plants know about quality management, a random sample of 6 employees was selected from each plant and the employees selected were given a quality awareness examination. The examination scores for these 18 employees are shown in the following table. The sample means, sample variances, and sample standard deviations for each group are also provided. Managers want to use...
NCP manufactures printers and fax machines at plants located in City 1, City 2, and City...
NCP manufactures printers and fax machines at plants located in City 1, City 2, and City 3. To measure how much employees at these plants know about quality management, a random sample of 6 employees was selected from each plant and the employees selected were given a quality awareness examination. The examination scores for these 18 employees are shown in table given below. The sample means, sample variances, and sample standard deviations for each group are also provided. Managers want...
1.-To study the effect of temperature on yield in a chemical process, five batches were produced...
1.-To study the effect of temperature on yield in a chemical process, five batches were produced at each of three temperature levels. The results follow. Temperature 50°C 60°C 70°C 33 30 22 24 30 28 36 35 29 39 23 31 28 27 35 Construct an analysis of variance table. (Round your values for MSE and F to two decimal places, and your p-value to four decimal places.) Source of Variation Sum of Squares Degrees of Freedom Mean Square F...
National Bearing manufactures bearings at plants located in Portland Oregon, Houston Texas and Jacksonville Florida. To...
National Bearing manufactures bearings at plants located in Portland Oregon, Houston Texas and Jacksonville Florida. To measure employee knowledge of Total Quality Management (TQM), six employees were randomly selected at each plant and tested. The test scores for these employees are given in DATA. Managers want to know if, on average, knowledge of TQM is equal across the 3 plants. Test equality of mean scores at ∝ =0.05. Observation Portland Houston Jacksonville 1 85 71 61 2 75 75 66...
Axline Computers manufactures personal computers at two plants, one in Texas and the other in Hawaii....
Axline Computers manufactures personal computers at two plants, one in Texas and the other in Hawaii. The Texas plant has 40 employees; the Hawaii plant has 30. A random sample of 10 employees is to be asked to fill out a benefits questionnaire. Round your answers to four decimal places. a. What is the probability that none of the employees in the sample work at the plant in Hawaii? =.............. b. What is the probability that 1 of the employees...
Faced with rising fax costs, a firm issued a guideline that transmissions of 9 pages or...
Faced with rising fax costs, a firm issued a guideline that transmissions of 9 pages or more should be sent by 2-day mail instead. Exceptions are allowed, but they want the average to be 9 or below. The firm examined 25 randomly chosen fax transmissions during the next year, yielding a sample mean of 10.84 with a standard deviation of 3.07 pages. (a-1) Find the test statistic. (Round your answer to 4 decimal places.) The test statistic 2.441 (a-2) At...
Faced with rising fax costs, a firm issued a guideline that transmissions of 9 pages or...
Faced with rising fax costs, a firm issued a guideline that transmissions of 9 pages or more should be sent by 2-day mail instead. Exceptions are allowed, but they want the average to be 9 or below. The firm examined 25 randomly chosen fax transmissions during the next year, yielding a sample mean of 10.84 with a standard deviation of 3.07 pages. (a-1) Find the test statistic. (Round your answer to 4 decimal places.) What is the test statistic? (a-2)...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT