Elementary statistics questions part 2.
1.1
The following diagram represent the marks of the semester test 2
student wrote before they went for June-July recess.
1.1.1
What is the name of the above diagram?
(1)
1.1.2
Which data collection method was used to collect the
above data set?
(1)
1.1.3 Copy and complete the following table: (6)
Mark (%)
interval
Tally
Frequency
Cumulative
frequency
0 ≤ 𝑥 ≤ 20
20 <𝑥≤40
40 <𝑥≤60
60 <𝑥≤80
80 < 𝑥 ≤ 100
1.1.4
Which mark (%) interval contains the mode?
(1)
1.1.5
If the pass mark is 50%, what is the percentage of the
students who failed the test?
(2)
(11)
