Online Test — Line Plots & Mean
10 Questions • 30 min • Chapter MCQ
30:00
Question 1 of 10
medium
If a line plot has 10 Xs in total, there are how many data points?
5
10
20
1
Explanation: Each X is one data point → 10.
Question 2 of 10
medium
The mean of 1, 2, 3, 4, 5 is…
2
3
4
5
Explanation: 15 ÷ 5 = 3.
Question 3 of 10
medium
A plot has 2, 3 and 1 Xs above values 1, 2 and 3. Total data points?
5
6
3
2
Explanation: 2 + 3 + 1 = 6.
Question 4 of 10
medium
The mean of 4 and 8 is…
4
6
8
12
Explanation: (4 + 8) ÷ 2 = 6.
Question 5 of 10
medium
The median of 1, 3, 5 is…
1
3
5
9
Explanation: The middle number is 3.
Question 6 of 10
easy
The median is the…
middle value when ordered
biggest value
average
smallest value
Explanation: Median = the middle value once the data is in order.
Question 7 of 10
easy
If 3 Xs are above the number 2, how many data values are 2?
1
2
3
5
Explanation: Each X is one data point, so 3.
Question 8 of 10
easy
The mean is also called the…
average
biggest
smallest
middle
Explanation: Mean = average.
Question 9 of 10
hard
The mean of 6, 7, 8 is…
6
7
8
21
Explanation: 21 ÷ 3 = 7.
Question 10 of 10
easy
The mode of 2, 2, 3 is…
2
3
2.5
5
Explanation: 2 appears most often.