Online NAT IGS General Science Statistics Test Preparation for Pakistani Students

NAT I General Science Statistics

Sr. #	Questions	Answers Choice
1	Keyboard mouse and scanner are the ........devices	Input Output Logical None of these
2	The graph of time series is called	Histogram Historigram Polygon None of these
3	If any ultimate class frequency is negative the data will be	Inconsistent Consistent Correlated
4	If constants are added to or subtracted from the values of the variable the value of r is	Negative Positive Zero Remain unchanged
5	The alternative hypothesis always contains the sign of	Equality Inequality Ratio Proportion
6	The hypothesis which is tested for possible rejection is called	Null hypothesis Alternative hypothesis Wrong hypothesis None of these
7	An estimator is........ if its expected value is equal to the population parameter to be estmated	Bad Based Unbiased None of these
8	The difference of the true value of parameter and corresponding value of sample is called	Non-sampling error Sampling error Random error None of these
9	A complete list of elements in a population is called	Population Sampling design Sampling frame Sampling Unit
10	The normal distribution is ..........distribution	Positively skewed Negatively skewed Symmetrical Meso kurtic