Answer to Question #113695 in Statistics and Probability for Katenda

Question

Below is an ordered array of FK. Answer questions 19 to 24.

159 170 172 173 192 193 199 201
201 201 216 217 230 235 256

Q 19
Choose the incorrect
1 Number of observations is 15
2 Sum of all observations is 2759
3 Range is 97
4 Mean is 201

Q 20
Consider
A Median is the 9th observation
B There are 3 modes
C Median is 201
Choose the incorrect
1 A
2 B
3 A, B
4 A, B, C

Q 21
The distribution of FK is
1 Positively skewed.
2 Asymptotic.
3 Asymmetric.
4 Symmetric.

Q 22
Sample standard deviation is
1 25.8
2 26.7
3 374.2
4 666.8

Q 23
Choose the incorrect
1 Q1 position is 4
2 Q2 position is 8
3 Median position is 8
4 Q3 position is 12

Q 24
Choose the incorrect
1 Range is 97
2 Interquartile range is 44
3 Coefficient of variation is 13.3%
4 Range and interquartile range are measures of variation

Answer 1

Q19.

2 Sum of all observations is 2759

Q20.

3 A, B

Q21.

4 Symmetric.

Q22.

2 26.7

Q23.

All correct

Q24.

All correct