Statistics

Which of the following is a qualitative data?

• Weight

• House type

• Height

• Number of defect product

The level of measurement for Temperature is ..........

• Nominal

• Ratio

• Ordinal

• Interval

The missing value for qualitative data can be replaced by using

• Mean imputation

• Median imputation

• Mode imputation

A box plot can be drawn to represent important features of the data such as mean, median, lower quartile and upper quartile.

• Correct statement

• Incorrect statement

Mann-Whitney U Test and Kruskal-Wallis H are non parametric test

• Correct statement

• Incorrect statement

Methods that can be used for data normality checking are ....

• Skewness and Kurtosis

• ANOVA

• Independent samples t-test

If the data is not normal, we will use ........................ for checking the relationship between two continuous variables

• Pearson correlation

• Spearman correlation

Which method can be used to assess the relationship between two categorical variables?

• Pearson correlation

• Spearman correlation

• Independent samples t-test

• Chi Square

....................... can be used if we want to compare the means of three or more groups.

• ANOVA

• Independent samples t-test