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If r = 0.591 and n =5, then test statistics t is equal to

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1. If r = 0.591 and n =5, then test statistics t is equal to
a. 1.69
b.1. 45
c. 1. 269
d.0.91
2. To analyze data cross-classified in a contingency table, how are the degrees of freedom
found?
a. N–1
b. Rows – Columns
c. (Rows) x (Columns)
d. (Rows – 1) x (Columns – 1) 2 3. The value of McNemar test statistic for the discordant pairs b=10 and c= 15 is
a. 0.46
b. 0.64
c. 0.69
d. 0.76
4- If the line of regression is given by 8X -10Y +66 = 0, then the values of b0 and b1 are
respectively given by
a. 6.6, 0.8
b. 6.6, 0.6
c. 0.6, 6.6
d. 0.8, 6.6
5- The distribution used to find test statistic for ANOVA is …
a. t-distribution.
b. z-distribution.
c. F-distribution.
d. Chi-square distribution.
Section-III Answer the following Essay Type Questions 1- For the following data, calculate linear correlation
regression line:
X: 1
2
3
4
5
Y: 1 1 2 2 r and also obtain the equation of the 4 2. The following figures shows the distribution of digits in number chosen at random from a
mobile directory
Digits: 0
Frequency: 1026 1 2 3 4 5 6 7 8 9 1107 997 966 1075 933 1107 972 964 853 Test whether the digits may be taken to occur equally frequently in the directory at 5% level
of significance 3 3. Set up an analysis of variance table for the following data for three varieties of wheat each
grown on 4 plots and state if the variety differences are significant. Plot of Per acre production data land Variety of Wheat
X1 X2 X3 1 6 5 5 2 7 5 4 3 3 3 3 4 8 7 4

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