Introduction to a Mean

Q. Calculate the average of the given data set and tap your answer

23

24

25

26

27

28

1. 25.5
2. 25
3. 26

Q. Max's score for the term exam is as shown below:

Subject	Score
English	98
Mathematics	78
Science	88

What is his mean score?

1. 88
2. 106
3. 92
4. 85

Q. What is the mean of the first 14 even numbers?

1. 15
2. 22
3. 18
4. 16

Q. Abel's backyard has 6 trees whose heights are as shown in the table:


What is the mean height of the trees in Abel's backyard?

1. 5.8666 feet
2. 6 feet
3. 5.98 feet
4. 6.456 feet

Q. The number of items Julie packs in her lunch box are as shown in the table below. What is the mean number of items in her lunch box?

1. 6.8
2. 6.4
3. 6.6
4. 6.2

Q. Comment on the statement:

It is possible to calculate the average for numerical data but not for categorical data.

1. True
2. False

Q. Ria is playing a video game and collects points, as shown below:
What is the mean point she collects during her game?

1. 5481.75
2. 1780.125
3. 2578.50
4. 2779.25

Q. Calculate the mean of the following data and tap your correct answer.

Data set:

1

3

5

7

9

6

1. $5.1\overline{6}$
2. $5.1$
3. $5$

Q. Luke is training for a marathon. The distance he covers each day is recorded in the table below.
What is the mean distance he covers in 7 days?

1. 8 km
2. 7.1 km
3. 6.95 km
4. 6.1 km

Q. Two friends, Natasha and Emma, come to an amusement park. Natasha has $\$2$ with her while Emma has $\$4$. They decided to distribute the money equally among themselves such that each of them can spend an equal amount in the park. Determine the amount of money in dollars that they will have after an equal distribution.

1. 3

Q. A bittle bicyles to her school every day. Her travel time each day is given by the following table. DayTime (minutes)

Mon	40
Tue	42
Wed	45
Thu	39
Fri	37

The average time it takes her to reach school is 45 minutes minutes.

Q. The amount of money Tim makes by selling pizzas for 4 days is as shown below.

Day	Amount
1	$200
2	$254
3	$321
4	$216

What is the mean of the amount he makes?

1. $250.70
2. $321.12
3. $247.75
4. $298.55