Test my Merit My Results Create Exam

Higher Study | Business Statistics and Research Methods

Research Probability Distribution
Match the items of List - II with the items of List - I and select the code of correct matching List - I List - II (a) Chi-square Test (i) Testing the significance of the differences of the mean values among more than two sample groups. (b) ANOVA (F-test) (ii) Testing the goodness of fit of a distribution (c) Z - test (iii) Testing the significance of the difference of the mean values between two large sized samples (d) t - test (iv) Testing the significance of the difference of the mean values between two small sized samples when population standard deviation is not available  
Which of the following statements is false?  1. When value of correlation coefficient is one, the two regression lines coincide 2. The regression coefficients are independent of the change of origin and of scale 3. The sign of the regression coefficients are always the same 4. The square of the coefficient of correlation is called coefficient of determination 
When the sum of exponents exceeds one (a + b > 1) in the Cobb-Douglas production function, it causes which one of the following?
If the plotted points lie on a straight line parallel to the X-axis of a scatter diagram, it shows :
A type of validity based on showing that scores on the test (Predictors) are related to job performance is:
2 unbiased dices D1 and D2 are rolled and the number appearing on the uppermost face is noted as S1 and S2 respectively. What is the probability that (S1 + S2) > 10?
Which one of the following is not a characteristic of an ideal Average ?
'Chi square test' measures which of the following?
There is a very high inverse relationship between measures of ‘Overweight’ and ‘life expectancy’. Which one of the following value of the coefficient of correlation is consistent with the statement ?
Corporations are controlled and directed by which one of the following?
Which of the following committees is related to the investor protection?
Which of the following statement relating to the sampling theory are correct? (i) The values of the statistical measures based on the sampled units are called values of statistic. (ii) In the simple random sampling technique, the element of the population and the unit of the sample are different. (iii) Snow- ball sampling technique is a probability based sampling technique. (iv) The 'law of statistical regularity' and the 'law of inertia of large numbers' are the main bases of the sample to become representative of the population. Choose the correct answer from the code given below:
Which of the following are considered non-parametric tests? a) Mann-Whitney U test b) Kruskal-Wallis test c) F-test d) T-test e) Chi-square test Choose the correct option from the following:
For calculating posterior probabilities (conditional probabilities under statistical dependence), the following information is available  a) conditional probabilities  b) original probability estimates (prior probabilities) of mutually exclusive and collectively exhaustive events  c) Arbitrary event with probability
Which of the following is the non-random method of selecting samples from a given population? 1. Stratified Sampling 2. Systematic Sampling 3. Quota Sampling 4. Multi-stage sampling
Ads