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STA641 - Statistical Packages and its Applications Assignment No 03 Spring 2020 Solution & Discussion

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STA641 Statistical Packages and its Applications Assignment 3 Solution & Discussion Spring 2020


STA641 Assignment 3 Solution idea:

 

 

Question # 1

Drug A: 258, 214, 243, 227, 235, 222, 240, 245, 245, 234, 243, 211

Drug B: 219, 283, 291, 277, 258, 273, 289, 260, 286, 265, 284, 266

 

 

Solution:

  • mean, median and mode for drugs A

 

Statistics

druge A 

N

Valid

12

Missing

0

Mean

234.75

Median

237.50

Mode

243a

a. Multiple modes exist. The smallest value is shown

 

  • mean, median and mode for drugs B

 

Statistics

druge B 

N

Valid

12

Missing

0

Mean

270.92

Median

275.00

Mode

219a

a. Multiple modes exist. The smallest value is shown

 

  • Minimum, maximum and standard deviation for drug A

 

Statistics

druge A 

N

Valid

12

Missing

0

Std. Deviation

13.923

Minimum

211

Maximum

258

 

  • Minimum, maximum and standard deviation for drug B

 

Statistics

druge B 

N

Valid

12

Missing

0

Std. Deviation

19.902

Minimum

219

Maximum

291

 

  • Based on the sample means drug B appears to be effective longer

 

Descriptive Statistics

 

N

Mean

druge A

12

234.75

druge B

12

270.92

Valid N (listwise)

12

 

 

  • Based on the sample standard deviations drug A appears to have the greatest variability in effective time

Descriptive Statistics

 

N

Std. Deviation

druge A

12

13.923

druge B

12

19.902

Valid N (listwise)

12

 

 

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