# Multiple Choice Questions (MCQ) on Statistics

**Multiple Choice Questions (MCQ) on Statistics**

**1- Following test would be appropriate to test the RANDOMNESS of a sample**

(A) Wilcoxon signed rank test

(B) Median test

(C) Run test

(D) Sign test

**2- Which of the following tests is used for testing the independence in linkage?**

(A) Chi square test

(B) F-test

(C) t-test

(D) All of the above

**3- Sum of absolute deviation is least when it is measured about**

(A) mode

(B) median

(C) mean

(D) none of the above

**4- In a frequency polygon, frequencies are plotted against**

(A) Lower boundary of class

(B) Mid-point of class interval

(C) Upper boundary of class

(D) None of the above

**5- Which of the following distribution is abnormally tall and peaked?**

(A) Platykurtic

(B) Mesokurtic

(C) Leptokurtic

(D) None of the above

**6- If different effects are cofounded in different replications, then it is reformed as**

(A) Balanced confounding

(B) Incomplete confounding

(C) Partial confounding

(D) Complete confounding

**7- Moving average method of finding trend removes the effect of**

(A) cyclic variations

(B) short term movements

(C) long term movements

(D) none of the above

**8- For testing the goodness of fit we use**

(A) Sign test

(B) Kolmogorov-Smirnov test

(C) Run test

(D) Median

**9- Neyman – Pearson lemma provides**

(A) An admissible test

(B) A most powerful test

(C) An unbiased test

(D) Minimax test

**10- In time-series analysis, which source of variation can be estimated by the ratio-to-trend method?**

(A) Irregular

(B) Seasonal

(C) Trend

(D) Cyclical

**11- Correlation coefficient always lies between**

(A) -1 and 0

(B) 0 and +1

(C) -1 and +1

(D) +1 and +2

**12- The geometric mean of two regression coefficients is**

(A) coefficient of kurtosis

(B) coefficient of correlation

(C) coefficient of skewness

(D) coefficient of standard deviation

**13- Simple random sampling is suitable when the population is**

(A) infinite

(B) finite

(C) heterogenous

(D) homogenous

**14- Sum of deviations of a variable from its mean is**

(A) one

(B) zero

(C) maximum

(D) minimum

**15- The method of confounding is a device to reduce the size of**

(A) treatments

(B) blocks

(C) replications

(D) experiments

**16- Moving average method is used to determine**

(A) seasonal variation

(B) trend

(C) cyclical variation

(D) irregular variation

**17- Irregular variation in a time series is due to**

(A) flood

(B) epidemics

(C) lockouts and strikes

(D) All of the above

**18- The best method for finding out seasonal variation is**

(A) link relative method

(B) ratio to trend method

(C) ratio to moving average method

(D) simple average method

**19- The number of components in time series data is**

(A) 4

(B) 5

(C) 6

(D) 7

**20- Vital rates are generally expressed as**

(A) per lakh

(B) per thousand

(C) per million

(D) percentage

**ANSWERS:**

**1-(C), 2-(A), 3-(B), 4-(C), 5-(C), 6-(C), 7-(B), 8-(B), 9-(B), 10-(B), 11-(C), 12-(B), 13-(D), 14-(B), 15-(B), 16-(B), 17-(D), 18-(C), 19-(A), 20-(B)**