ICQ 1 batch 3

Find the median of the following numbers: 1, 45, 5, 8, 120

• 1

• 5

• 8

• 120

Which one of the following aggregations is not a measure of the spread of data?

• Mean

• Range

• Minimum

• Maximum

Which of the following is a good practice when cleaning data?

• Assume 0 and 1 in the data rows correspond to 'No' and 'Yes' respectively.

• Check with the data owner if the missing information can still be retrieved.

• Keep all duplicated data.

• Delete all outliers from the original dataset.

The given picture shows the results of a google search. Is this representation using a pie chart correct?

• No

• Yes

Which of the following variables are ordinal variables?

• Beverage sizes when you visit your favourite starbucks outlet (tall, grande, venti, trenta)

• Annual rainfall in Singapore measured in millimeters.

• Number of goals scored by teams in the FIFA world cup final 2022.

• Colour codes used by restaurants to label food items in their menu as vegan, vegetarian and non-vegetarian.

The picture here shows the box-plots of scores given in a survey on teaching methods. Which method has the least difference between Q1 and Q3?

• Method 1

• Method 2

• Method 3

• Method 4