Hypothesis testing random motors project PDF

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Summary

Rocinante 36 Marengo 32Car No.Mileage (km/ltr)Top speed (km/hr) Car No.Mileage (km/ltr)Top speed (km/hr) 1 21 151 1 15 211. 2 21 147 2 15 207 3 21 145 3 15 206. 4 22 136 4 15 213. 5 22 139 5 15 204. 6 21 146 6 15 208. 7 22 139 7 14 200 8 21 143 8 14 210.9 19 136 9 14 208. 10 20 146 10 14 214. 11 22 ...

Description

Rocinante 36

Marengo 32

Car No. 1 2 3 4

Mileage (km/ltr) 15.04 15.41 15.43 15.92

Top speed (km/hr) 211.3 207 206.2 213.4

139.7

5

15.2

204.2

21.41

146.1

6

15.22

208.7

22.71 21.71

139.6 143

7 8

14.6 14.41

200 210.9

Car No. 1 2 3 4

Mileage (km/ltr) 21.2 21.79 21.87 22.71

Top speed (km/hr) 151.9 147.6 145.6 136.1

5

22.52

6 7 8 9

19.95

136.4

9

14.79

208.5

10 11

20.65 22.86

146.6 139.9

10 11

14.81 15.61

214.2 215.8

12

21.12

136.6

12

15.76

215.8

13

22.8

148.5

13

14.97

215.2

14 15

20.89 22.49

143.4 134.2

14 15

14.71 15.55

218.7 208

16

20.94

140.5

16

15.19

212.2

17 18

20.37 22.72

137.8 135.1

17 18

15.36 15.93

219.7 216.4

19

20.54

138.8

19

14.54

205.8

20

21.14

132

20

14.76

209

Roccinate

Mileage

Roccinate

Sample size Sample standard deviation Hypothesized mean Sample mean Std error of mean Degrees of freedom t-test statistic p-value

20 0.927290762325786 22 21.620 0.207 19 -1.835 0.08221

Sample size Sample standard deviation Hypothesized mean Sample mean Std error of mean Degrees of freedom t-test statistic p-value

Marengo Sample size Sample standard deviation Hypothesized mean Sample mean Std error of mean Degrees of freedom t-test statistic p-value

Mileage 20 0.458802503090497 15 15.161 0.103 19 1.564 0.1343

Topspeed

20 5.39815758043037 140 140.970 1.207 19 0.804 0.4313

Topspeed 20 5.14633236801756 210 211.050 1.151 19 0.912 0.3732

Marengo Sample size Sample standard deviation Hypothesized mean Sample mean Std error of mean Degrees of freedom t-test statistic p-value

538659092.xlsx

Step 1 State the null and Alternate Hypothesis H0 H1 H0 H1 Step 2 Level of significance Step 3 Decide test to be used (z/t ) Calculate test statistics Calculate p values

H0 H1 H0 H1

5% level of significance t-Test Roccinate Mileage Sample size 20 Sample standard deviation 0.92729

http://courses.atlas.illinois.edu/spring2016/STAT/ Hypothesizedme an Sample mean Std error of mean Degrees of freedom t-test statistic p-value

Step 4 Rule Hypothesis If p≤.05, Reject Ho if p>.05, Fail to reject Ho

For Rocinante36 Mileage(km/litre) µ = 22 km/litre µ ≠ 22 km/litre Top Speed(km/hr) µ = 140 km/hr µ ≠ 140 km/hr

Security Level

For Marengo32 Mileage(km/litre) µ = 15 km/litre µ ≠ 15 km/litre Top Speed(km/hr) µ = 210 km/hr µ ≠ 210 km/hr

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