You roll a die 48 times with the following results.| Number | 1 | 2 | 3 | 4 | 5 | 6 ||-----------|---|---|----|----|----|---|| Frequency | 2 | 4 | 12 | 13 | 14 | 3 |Use a significance level of 0.05 to test the claim that the die is fair.

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Answered: 9) You roll a die 48 times wwith the…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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A researcher estimates that the average height of the buildings of 30 or more stories in a large city is at least 700 feet. A random sample of 10 buildings is selected, and the heights in feet are shown. At a = 0.025, is there enough evidence to reject the claim? 485 520 511 535 841 635 725 616 615 582
The following measurements were taken on a sample n= 12 Sprucę trees selected at random from å stand. (X= diameter(cm) (at breasť height) and'Y = height (m)). The data are tabulated below: 6 7 8 9 10 | 11 | 12 tree 1 2 3 | 4 | 5_ X (diam) 22.0 16.6 19.4 19.8 18.9 14.1 20.3 5.8 20.0 10.1 15.5 22.9 Y (height) 22.3 | 18.8 20.2 18.0 20.0 18.5 17.8 8.0 19.2 12.1 16.8 19.8 Σx-205.4, Σy- 211.5, Σ3796.38 , Σν-3895.19, Σsy - 3817.58 1. The value of Sx is: 2. The value of Syy is: 3. The value of Sxy is: oices for 1. to 3. b) 164.7 g) 241.6 c) 167.5 h) 280.6 122.0 d) 177.7 i) 381.4 e) 197.4 205.1 j) 398.1
cen the othe tral wor 24. A researcher conducts a study comparing two dif- ferent treatments with a sample of n = 16 partici- pants in each treatment. The study produced the following data: study an mean nu tolerate Treatment 1: 6 7 11 4 19 17 2 5 9 13 6 23 11 4 6 1 tions. D tolerance Treatment 2: 10 9 6 61 11 8 6 3 2 11 1 127 10 9 Particip a. Calculate the mean for each treatment. Based on the two means, which treatment produces the higher scores? 2. b. Calculate the median for each treatment. Based on the two medians, which treatment produces the higher scores? 3. 4. 5. c. Calculate the mode for each treatment. Based on the two modes, which treatment produces the higher scores? L 0. 6
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9) You roll a die 48 times wwith the following results. Number | 1|2| 3| 4|5|6 Frequency 2 4 12 13 14 3 Use a significance level of 0.05 to test the claim that the die is fair.