Statisticseasy · Past Paper
In a frequency distribution, the sum of all probabilities (relative frequencies) is:
A0
B0.5
C1
D100
✓ Correct Answer: C — 1
The total of all relative frequencies or probabilities in a distribution always sums to 1.
Share this question
More from Statistics
- A spinner is divided into 4 equal sectors colored Red, Blue, Green, and Yellow. What is the probability of spinning Blue?
- The sum of frequencies in a frequency distribution is 50. What is 'N'?
- A die is thrown once. What is the probability of getting an odd number?
- The sum of 20 observations is 400. If the sum of first 10 is 150, what is the mean of the last 10?
- A student scored 60, 70, and 80 in three tests. What score does he need in the fourth test to have a mean of 75?