ICS Part 2 Statistics Chapter 15 Online Test With Answers

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ICS Part 2 Statistics Chapter 15 Online Test

Sr. # Questions Answers Choice
1 If 6Σd2/n(n2 - 1) is zero, the value of rs is ________. 0.5 1 -1 0
2 The process of dividing the objects into two mutually exclusive classes is called_______ Bichotomy Trichotomy Dichotomy Multichotomy
3 The total area under the curve of chi-square distribution is_______. 1 0.5 0 to ∞ -∞ to +∞
4 For a 3 x 3 contingency table, the number of cells in the table are _________. 3 4 6 9
5 The value of chi-square statistic is always _______. Negative Non-negative Zero One
6 The shape of the chi-square distribution depends upon_________. Parameters Number of cells Degrees of freedom Standard deviation
7 For an r x c contingency table, the number of degrees of freedom are equal to: rc r + c (r-1)+(c-1) (r-1)(c-1)
8 Chi-square curve ranges from: -∞ to +∞ 0 to ∞ -∞ to 0 0 to 1
9 If two attributes A and B have perfect positive association value of the coefficient of association is equal to _______. +1 -1 0 (r-1)(c-1)
10 If two attributes A and B are independent, then co-efficient of association is______. -1 +1 0 0.5
11 The degree of linear relationship between two variable is called________. Dependent Association Positive Correlation
12 If (AB) = (A)(B)/n, the two attributes. A and B are _________. Independent Dependent Correlated Quantitative
13 The two attributes A and B are ________associated, If (AB) < (A)(B)/n. Positively Negatively Zero Symmetrical
14 The two attribute A and B are positively associated, if _________. (AB) = (A)(B)/n (AB) &lt; (A)(B)/n (AB) ≠&nbsp;(A)(B)/n (AB) &gt; (A)(B)/n
15 The degree of relationship between the two attributes is called_______. Association Correlation Contingency Quantitative
16 A characteristic which varies in quality from one individual to another is called an_______. Variable Attribute Associated Independent
17 A characteristic which varies in quantity from one individual to another is called a________. Association Correlation Variable Attribute
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