This set of MCQ(multiple choice questions) will help you with the answers of **Data Analytics with Python NPTEL Week 5 Assignment Solutions**.

### Course layout

** Week 1: Basics of Python Spyder**Week 2 :

**Introduction to probability**

**Week 3 : Sampling and sampling distributions**

**Week 4 : Hypothesis testing**

**Week 5 : Two sample testing and introduction to ANOVA**

**Week 6 : Two way ANOVA and linear regression**

**Week 7 : Linear regression and multiple regression**

**Week 8 : Concepts of MLE and Logistic regression**

**Week 9 : ROC and Regression Analysis Model Building**

**Week 10 :**

**c**

^{2}Â Test and introduction to cluster analysis

**Week 11 : Clustering analysis**

**Week 12 : Classification and Regression Trees (CART)**

**NOTE:** You can check your answer immediately by clicking show answer button. Moreover, this set of “Data Analytics with Python NPTEL Week 5 Assignment Solution” contains 10 questions.

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### Data Analytics with Python NPTEL Week 5 Assignment Solutions

**Q1.** In the analysis of variance procedure (ANOVA) the term “factor” refers to:

a) the dependent variable

b) the independent variable

c) different levels of a treatment

d) the critical value of F

Answer: b) the independent variable

**Q2.** In a problem of ANOVA, involving 3 treatments and 10 observations per treatment, SSE = 500. The MSE for this situation is:

a) 130.2

b) 48.8

c) 18.52

d) 30.0

Answer: c) 18.52

**Q3.** The â€˜Fâ€™ ratio in a completely randomized ANOVA is the ratio of

a) MST/MSE

b) MSTR/MSE

c) MSE/MSTR

d) MSE/MST

Answer: b) MSTR/MSE

**Q4.** An ANOVA procedure is applied to data obtained from 7 samples where each sample contains 10 observations. The degrees of freedom for the critical value of F are:

a) 7 numerator and 20 denominator degrees of freedom

b) 5 numerator and 20 denominator degrees of freedom

c) 6 numerator and 63 denominator degrees of freedom

d) 7 numerator and 63 denominator degrees of freedom

Answer: c) 6 numerator and 63 denominator degrees of freedom

**Q5.** In an ANOVA problem if SST = 200 and SSTR = 80, then SSE is

a) 280

b) 120

c) 80

d) 220

Answer: b) 120

**Q6.** The critical F value with 8 numerator and 29 denominator degrees of freedom at alpha = 0.01 is

a) 2.18

b) 3.20

c) 3.53

d) 3.94

Answer: b) 3.20

**Q7.** Two Independent simple random samples are taken to test the difference between the means of two populations. The standard deviations are not known, but are assumed to be equal. The sample sizes are n1 = 15 and n2 = 35. The correct distribution to use is the:

a) t distribution with 51 degrees of freedom

b) z distribution with 50 degrees of freedom

c) z distribution with 49 degrees of freedom

d) t distribution with 48 degrees of freedom

Answer: d) t distribution with 48 degrees of freedom

**Q8.**

Stare true or false:

Statement: The sampling distribution of two populations P bar1 -P bar2 is approximated by a normal distribution

a) True

b) False

Answer: a) True

**Q9.** Mean marks obtained by male and female students of school ABCD in first unit test are shown as below.

a) 4.0

b) 7.46

c) 4.24

d) 2.0

Answer: d) 2.0

**Q10.** Mean marks obtained by male and female students of school ABCD in first unit test are shown as below.

a) 2.0

b) 1.5

c) 1.96

d) 1.645

Answer: b) 1.5

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