Data analysis issues in Quantitative data

Question 1

What are the different ways that data can be displayed?

Answer 1

Numerically, Coded and Ordered

Question 2

What are the 4 different levels of measurements?

Answer 2

Nominal, Ordinal, Interval and Ratio

Question 3

Which level of measurement has fixed zero?

Answer 3

Ratio data

Question 4

What types of level of measurement have equal distances between categories?

Answer 4

Interval and ratio data

Question 5

What types of level of measurement can be ranked?

Answer 5

Ordinal, Interval and Ratio data

Question 6

What type of level of measurement can’t be ranked?

Answer 6

Nominal data

Question 7

What are the different ways of presenting descriptive data?

Answer 7

Tables, Charts, Measures of central tendency and measures of dispersion

Question 8

What measures of central tendency and dispersion are used for Nominal data?

Answer 8

Only mode

Question 9

What measures of central tendency and dispersion are used for Nominal data?

Answer 9

Only mode and median

Question 10

What measures of central tendency and dispersion can not be used for both interval and ratio data?

Answer 10

None at all, all can be used!

Question 11

Why are statistical analysis done?

Answer 11

To draw inferences from the sample that we studied about the population of interest e.g. hypothesis testing or estimation

Question 12

What does hypothesis testing involve?

Answer 12

Set null hypothesis, Set alternative hypothesis, Carry out