1
Find the weighted mean of scores 4, 6, 8 with weights 1, 2, 3 respectively.
2
If the mean of 4 observations is 15 and three observations are 12, 16, 18, what is the fourth observation?
3
What is the mode of the following distribution: 2, 2, 3, 4, 4, 4, 5?
4
The relative frequency of an event can be used to estimate:
5
What is the weighted mean if scores are 4, 6, 8 with weights 1, 2, 3 respectively?
6
What is the mean of the data: 4, 8, 6, 5, 3?
7
Junaid rolls a fair six-sided die. What is the probability of getting a number greater than 4?
8
Danish has data: 7, 14, 21, 28, 35. He wants to find the mean. What is the mean?
9
A student scored 70, 80, 90 in three subjects with weights 1, 2, 3. What is the weighted mean?
10
In a histogram, the area under each bar is proportional to the:
11
Waqas draws a card from a standard deck of 52 cards. What is the probability of drawing a king?
12
Nashit is drawing a frequency polygon. What is the midpoint of the class 30-40?
13
Find the mean of: 10, 20, 30, 40, 50.
14
Find the median of: 7, 9, 12, 15, 18.
15
If the mean of 4, 6, 8, and x is 7, what is the value of x?
16
What is the class width if the class interval is 10-19?
17
Nadia rolls a fair six-sided die. What is the probability of getting an even number?
18
The probability of an impossible event is:
19
The mode of the data: 1, 1, 2, 2, 2, 3, 4 is:
20
Sana has the data set: 2, 4, 4, 4, 5, 5, 7, 9. She wants to find the mode. What is the mode?
21
The weights (in kg) of 5 students are 45, 50, 55, 60, 65. What is the mean weight?
22
For ungrouped data, the median is the:
23
Sundas rolls a fair six-sided die. What is the probability of getting a multiple of 3?
24
The sum of frequencies in a grouped frequency distribution is 50. The sum of the relative frequencies is:
25
Saad has data: 1, 2, 2, 3, 3, 3, 4, 4, 4, 4. He wants to find the mode. What is the mode?