BASIC CONCEPTS IN STATISTICS

BASIC CONCEPTS IN STATISTICS

University

20 Qs

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BASIC CONCEPTS IN STATISTICS

BASIC CONCEPTS IN STATISTICS

Assessment

Quiz

Professional Development

University

Practice Problem

Hard

Created by

rincymol mathew

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20 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

    The values of measures of central tendency computed for a distribution following the normal curve are always -------

A.     Equal        

  B. Different       

C. Greater than one      

D. One

2.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

      The normal curve is ---------

A.     Unimodal      

B. Bimodal   

  C. Multimodal   

D. Asymmetric

3.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

      When one or both variables are measured on an ordinal scale, the appropriate correlation measure is --------

A.     Pearson’s r    

B. Spearman’s rho    

C. Partial correlation    

4.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

     Level of significance is the maximum possibility of making --------

A.     A correct decision    

C. Type I error  

B. wrong decision 

D. Type II error

5.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

      The critical value of Z for a single-tailed test at 0.01 level of significance is -------

A.     1.96              

B. 2.576                

C. 1.645             

  D. 2.326

6.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

     Test of goodness of fit’ is a type of ------- test.

A.     Z – test          

B. t – test       

  C. F – test    

    D. Chi-square test

7.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

      Which of the following is the non-parametric alternative to the t –test?

A.     Repeated ANOVA         

  B. Mann-Whitney U test

C.     Kruskal-Wallis test  

        D. Rank correlation

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