Revision

The 2 types of variables are

• Nominal and ordinal

• Discrete and continuous

• Interval and Ratio

• Categorical and numerical

The strongest scale of measurement is

• Ratio scale

• Interval scale

• Nominal scale

• Ordinal scale

Temperature (Celsius) is an example for

• Nominal Scale

• Ordinal Scale

• Interval Scale

• Ratio Scale

The number of hospital visits is an example for

• Categorical variable

• Discrete variable

• Continuous variable

• Qualitative variable

Which of the following is not a characteristic of a good sample?

• Representative

• Generalizable

• Low bias

• Small size

What type of probability sampling does the image represent?

• Simple Random Sampling

• Stratified Sampling

• Systematic Sampling

• Convenience Sampling

Select the odd-one out

• Snowball sampling

• Stratified sampling

• Convenience sampling

• Purposive Sampling

The most frequent value in a dataset is called

• Mean

• Median

• Mode

• Standard Deviation

--- Quartiles divide the dataset into ---- equal parts

• 4, 4

• 3, 4

• 4, 3

• 4, 5

if the standard deviation is 9, then the variance is

• 81

• 3

• 18

• 4.5