Introduction to Central Tendencies

Q.

The double box-and-whisker plot represents the medians of $100$ random samples of $20$ battery lives for two cell phone brands. Compare the battery lives of the two brands.

Q.

Why is median useful?

Q.

The total number of cakes made by the bakery in a week are 100. According to this chart, how many pineapple cakes were made?

1. 25
2. 20
3. 100
4. 50

Q. Mean/average, median and mode are measure(s) of central tendency.

1. the different
2. similar
3. not a

Q. The number of homework questions left between 4 friends are as shown below:
What is the average number of homework questions left?

1. 3
2. 6
3. 2
4. 4

Q. Lola wishes to compare the following data sets. Students of which grade performed better?

1. Grade 6
2. Grade 4
3. Grade 5
4. Grade 7

Q. Choose the correct option regarding the following statements on the measure of central tendency.

Statement I: It provides information about the data set without listing all its values.

Statement II: It helps comparing data sets.

1. Only Statement I is correct.
2. Both the statements are correct.