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Biostats ( samawia iqbal )
1. BIOSTATISTICS
ASSIGNMENT: Make 5 MCQs from t-test, f-test and
chai-square test
JULY 27, 2020
SUBMITTED TO: SIR ZAFAR ALI
SUBMITTED BY: SAMAWIA IQBAL
CMS NO: 404641 SAPI’D: 11007
2. Biostatistics
Assignment:
Make five MCQs covering the topics of
chai-test, T-test and F-test
CHAI SQUARE TEST MCQs
NOTE: answers are given in bold.
1.Chai square test is a ____________ test.
a) Parametric b) non parametric
c) ANOVA d) none of these.
2.To test the association of the two attributes
we use _____________.
a) F-test b) z-test
3. c) chai-square test d) none
3.The degree of freedom of chai- square test
is _________.
a) r-1 b) c-1
c) (c-1) (r-1) d) none
4.The chai-square value is always _______.
a) + skewed b) – skewed
c) 0 skewed d) none
5.The test used to test the independence of
two attributes we use_________.
a) F-test b) z-test
c) t-test d) chai- square test.
T-TEST MCQs
4. 6. We use small sample size in ______.
a) F-test b) z-test
c) t-test d) none
7.The other name of t-test is_______.
a) student t-test b) teacher t-test
c) pupil t-test d) none
8.In t-test we use estimated variance i.e.
_____.
a) Unbiased b) biased
c) positive d) none
9. The sample variance is used in ______.
a) Z-test b) f-test
c) t-test d) none.
10. The degree of freedom in simple t-test is
________.
a) n-1 b) n-2
5. c) n-3 d) n-4
F- TEST MCQS
11. who introduced f-test_______.
a) Fisher Snedecor b) Isaac Newton
c) Albert Einstein d) none.
12. another term used for f-test is ______.
a) Variant test b) ANOVA
c) descriptive d) none.
13. Analysis of variance is a statistical
method of comparing the ________ of
several populations.
a) standard deviations b) variances
c) means d) proportions
6. 14. What is the function of a post-test in
ANOVA?
a) Determine if any statistically significant
group differences have occurred.
b) Describe those groups that have
reliable differences between group
means.
c) Set the critical value for the F test (or
chi-square).
d) none.
15. The degree of freedom in one- way
ANOVA is _________.
a) K-1 b) N-1
c) d-2 d) none