Statistics Ics Part 1 Online Test With Answers

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Statistics Ics Part 1 Online Test

Sr. # Questions Answers Choice
1 Why is it necessary to square the difference from the mean when computing the standard deviation. So that the extreme values will not affect the calculation Some of the differnece will be positive and some will e negative It can change drastically from one data set to the next It is determined by only two points in the data set
2 The main advantages of using the range as a measure of dispersion is that. It is easy to calculate It is heavily influenced by extreme values. It can change drastically from one data set to the next It is determined by only two points in the data set
3 Which of the following is a relatie measure of dispersion. Standard deviation Variance Coefficient of variation All of these
4 Which of the following average is effected by extreme values. Median Mode Arithmetic mean All of these
5 In case of positively skewed distribution the extreme values lie in the. Middle Left tail Right tail Any where
6 Which of the following average cannot be calculated from the observation 2,2,4,4,6,6,8,8,10,10 Mean Median Mode All of these
7 The median of - 3, 0, -5 , is. -3 0 -5 Does not exist
8 If X = 0,2,2,4,8,10, then G.M is. 4 8 10 zero
9 Mean is affected by the change of. Origin Scale Both a and b None
10 teh most frequent value of the data if it exists is. A.M G.M Mode Median
11 If a distribution has two modes, than it is called. Uni- model Bi - mdoel Tri-model Multi model
12 Median divides the data into 2 parts 3 parts 4 parts 10 parts
13 The mean is based on. Small values Extreme values All the values Large values
14 Which average cannot be computed if any value is less than zero. G.M Median Mode A.M
15 If mean = 40 , Mdoe - 42 , then distributiion is. 4 skew 2 skew Symmetrical All of these
16 Which pair of measures cannot be calculated when one of numbers in the seriesis zero. G.M and A.M G.M and H.M H.M and A.M None of these
17 The suitable average for shoe or collar size is. Geometric mean Arithmetic mean Mode Median
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