Online NAT IGS General Science Statistics Test Preparation for Pakistani Students

NAT I General Science Statistics

Sr. #	Questions	Answers Choice
1	If critical region is located on both sides it is called	One tailed test One sided test Two tailed test Not exists
2	A hypothesis in which all parameters are specified is called	Composite hypothesis Null hypothesis Simple hypothesis All
3	An estimator is a	Parameter Constant Random variable Statistic
4	The complete list of all sampling units	Sample Sampling frame Sample design Sampling error
5	In normal distribution P (m^-d sΣ x Σ m+ s)	0.9973 0.9545 0.6827 None
6	The electronic and mechanical components of a computer are known as:	Computer software Computer hardware Both a and b None of these
7	The most commonly used mathematical method for measuring trend is	Moving average method Semi-average method Method of least squares Free- hand curve method
8	If Y² = 5.8 and d = 1 we make the following statistical decision	We reject H<sub>o</sub> at a = 0.01 We accept H<sub>o</sub> at a = 0.05 We reject H<sub>o</sub> at a = 0.05 We accept H<sub>o</sub> at a = 0.01
9	The value of correlation co-efficient lies between	0 to +1 -1 to 0 -0.5 to +0.5 -1 to +1
10	In the regression equation x =a + by then called	Independent variable Dependent variable Quantitative variable Continuous variable