SSC CGL Tier 2 28th January 2022 Statistics
For the following questions answer them individually
SSC CGL Tier 2 28th January 2022 Statistics - Question 41
The moving averages for the trend of exponential type are to be computed by using:
SSC CGL Tier 2 28th January 2022 Statistics - Question 42
The mean deviation about mean of the data 3, 6, 6, 7, 8, 11 , 15, 16, is:
SSC CGL Tier 2 28th January 2022 Statistics - Question 43
If X follows the normal distribution with mean $$\mu$$ and variance $$\sigma^{2}$$, the fourth moment about origin is:
SSC CGL Tier 2 28th January 2022 Statistics - Question 44
The television habits of 30 children were observed. The sample mean was found to be 8.2 hours per day, with a standard deviation of 2.4 hours per day. You tested the claim that the standard deviation was at least 6 hours per day. The value of the test statistics is:
SSC CGL Tier 2 28th January 2022 Statistics - Question 45
The median of the series 2, 17, 6, 19, 10, 11, 8, 16, 21, is:
SSC CGL Tier 2 28th January 2022 Statistics - Question 46
The mode of dataset 5-10, 10-15, 15-25, 25-35, 35-50, 50-60 with frequency of each class 2, 6, 10, 22, 27, 11, respectively, is:
SSC CGL Tier 2 28th January 2022 Statistics - Question 47
The ANOVA was used to test the results of three drug treatments. Each drug was applied to 20 patients. The MSE for this study was 16. What is the estimate of the population standard deviation for all 60 patients sampled for this study?
SSC CGL Tier 2 28th January 2022 Statistics - Question 48
A random variable X possesses the following function.
The value of E(X) is:
SSC CGL Tier 2 28th January 2022 Statistics - Question 49
Analysis of variance is a statistical process of comparing the of yield under several treatments.
SSC CGL Tier 2 28th January 2022 Statistics - Question 50
In a tri-variate population $$\gamma_{12} = 0.7, \gamma_{13} = 0.6$$ and $$ \gamma_{23} = 0.5$$, then the value of $$R^{2}_{1,23}$$ is:
