CHAP 1: DATA DESCRIPTION

Which is not a QUALITATIVE DATA?

• nationality

• colour

• weight

• brightness

Qualitative data can further divided into......

• Grouped and discrete data

• Grouped and ungrouped data

• Discrete and continuous data

• Grouped and continuous data

Which one is a DISCRETE DATA?

• the number of students

• salary

• volume of air

• weight

Which one is CONTINUOUS DATA?

• number of apples collected

• numbers of emails received

• number of cars involved in accidents

• speed of motorboats

Which one is not categorised as measure of location?

• variance

• mode

• median

• mean

The set of numbers below is called.....

4 , 6 , 1 , 8 , 6 , 3 , 7 , 6

• raw observation

• raw number

• raw data

• raw result

Find the mean of a set of numbers below.

4 , 6 , 1 , 8 , 6 , 3 , 7 , 6

• 5.152

• 5.125

• 5.251

• 1.255

Find the median of a set of numbers below.

3, 4, 5, 5, 6, 7, 9

• 5

• 6

• 5.5

• 6.5

The median is equivalent to...

• the middle quartile (Q₂)
• the fifth decile (D₅)
• the 50th percentile (P₅₀)
• all of these

Jenny scored at the 99th percentile on a test. How should we interpret this information?

• Jenny scored better than 99% of people who took this test

• Jenny scored worse than 99% of people who took this test

• Jenny got 99% of the questions on the test right

• Jenny got 99% of questions on the test wrong

Tags

CCSS.7.SP.B.4