Question: Reconsider the situation described in Exercise 81 of Chapter 9 and the accompanying Minitab output (the Greek letter eta is used to denote a median).

Reconsider the situation described in Exercise 81 of Chapter 9 and the accompanying Minitab output (the Greek letter eta is used to denote a median).
In Exercise 81
The accompanying data on response time appeared in the article "The Extinguishment of Fires Using Low-Flow Water Hose Streams-Part II" (Fire Technology, 1991: 291-320).

a. Verify that the value of Minitab's test statistic is correct.
b. Carry out an appropriate test of hypotheses using a significance level of .01.

Good visibility 43 1.17.37 47 68 58.50 2.75 Poor visibility .47 .80 158 1.53 4.33 4.23 3.25 3.22 Mann-Whitney Confidence Interval and Test good poor point estimate for ETA-ETA2 is 95.9 percent C1 for ETA-ETA2 s (-3.160, -0.409) W = 41 . O N=8 N=8 Median= 0 . 540 Median-2.400 -1.155 ETA2 s Test of ETA1 = ETA2 vs ETA1 significant at o.o027

Step by Step Solution

★★★★★

3.42 Rating (158 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

a x rank y rank 043 2 147 9 117 8 080 7 037 1 158 11 047 3 153 10 068 6 ... View full answer

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Document Format (1 attachment)

1172-M-S-L-R(9295).docx

120 KBs Word File

Students Have Also Explored These Related Statistics Questions!

The individual financial statements for Abbey Company and Bellstar Company for the year ending December 31, 2024, follow. Abbey acquired a 60 percent interest in Bellstar on January 1, 2023, in...

Reconsider the situation described in Exercise 39 of Section 9.3, and use the Wilcoxon test to test the appropriate hypotheses. In Exercise 39 Infant DD method 1509 1418 1561 1556 2169 TW method 1498...

Reconsider the situation described in Exercise 15.1. How many erroneous accounts must be in the batch of accounts for a random sample of size n = 5 to have a probability of at least 0.50 containing...

Reconsider the situation described in Exercise 6.1. Suppose that several of the preliminary 20 samples plot out of control on the R chart. Does this have any impact on the reliability of the control...

Reconsider the situation described in Exercise 81 of Chapter 9 and the accompanying Minitab output (the Greek letter eta is used to denote a median). Mann-Whitney Confidence Interval and Test good...

Reconsider the situation described in Exercise 79 of Chapter 9 and the accompanying MINITAB output (the Greek letter eta is used to denote a median). Mann-Whitney Confidence Interval and Test good N ...

13. Reconsider the situation described in Exercise 100 of Chapter 10 and the accompanying MINITAB output (the Greek letter eta is used to denote a median). MannWhitney Confidence Interval and Test...

The best definition for nonparametric statistics I can think of is when data does not fit inside the normal parameters of a normal distribution, it calls for the use of this statistical method....

solve these practice problems The relative conductivity of a semiconductor device is determined by the amount of impurity "doped" into the device during its manufacture. A silicon diode to be used...

solve these problems A binary communication channel transmits a sequence of "bits" (0s and 1s). Suppose that for any particular bit transmitted, there is a 10% chance of a transmission error (a 0...

solve these problems The difference between the number of customers in line at the express checkout and the number in line at the superexpress checkout in Exercise 3 is X, - X2 Calculate the expected...

In a random sample of 400 people purchasing state lottery tickets, 172 sample members were women. Test the null hypothesis that half of all purchasers are women.

Jones Hardware Store has total receipts for the day of $12,550. This total includes 7% sales tax on all sales. Required Calculate sales tax payable and prepare the journal entry to record the sales....

Evaluate the indefinite integral by using the substitution u = x 2 8 . 2 x ( x 2 8 ) - 3 d x 2 x ( x 2 8 ) - 5 d x =

Snyder Brush Company sells standard hair brushes. The following information summarizes Snyders operating activities for 2012: Selling and administrative expenses . . . . . . . . . . $ 49,680...

Assume that you are purchasing an investment and have decided to invest in a company in the digital phone business. You have narrowed the choice to Digitalized, Corp., and Zone Network, Inc., and...

Data for Mariner Designs, Inc., follow: Requirements 1. Prepare a horizontal analysis of the comparative income statement of Mariner Designs, Inc. Round percentage changes to one decimal place. 2....

Beta Graphics, Inc., has the following data: Requirement 1. Perform a vertical analysis of Betas balance sheet for eachyear. BETA GRAPHICS, INC. Comparative Balance Sheet December 31, 2012 and 2011...

The Windshield People repair chips in car windshields in the companys home county. Rocky Chip, the owner, incurred the following operating costs for the month of February 2012: Salaries and wages . ....

If you were asked to explain the benefits of adopting a J.E.D.I. strategy to your senior leadership team, what would you say?

=+14. The control limits on x charts become closer together as the subgroup size n is increased (i.e., the A2 factor decreases as n increases). For a process that is in statistical control, does this...

=+15. Subgroups of four power units are selected once each hour from an assembly line, and the highvoltage output of each unit is measured. Suppose that the sum of the ranges of 30 such subgroups is

=+85.2. Calculate the centerline and control limits of an R chart for this data.

1. The common stock of Fine China sells for $38.42 a share. The stock is expected to pay an annual dividend of $1.80 next year and increase that amount by 4 percent annually thereafter. What is the...

Imaginez un sc nario dans lequel votre entreprise value sa structure de capital pour optimiser sa valeur. Actuellement, l'entreprise est financ e par une combinaison de dettes et de capitaux propres....

Indiana Co . expects to receive 4 million euros in one year from exports, and it wants to consider hedging its exchange rate risk. The spot rate of the euro as of today is $ 1 . 0 7 . Interest rate...