Photo AI
The histogram shows a summary of scores on a test - HSC - SSCE Mathematics Standard - Question 18 - 2023 - Paper 1
Question 18
The histogram shows a summary of scores on a test. Provide TWO features of the histogram that indicate the data comes from a normal distribution.
Worked Solution & Example Answer:The histogram shows a summary of scores on a test - HSC - SSCE Mathematics Standard - Question 18 - 2023 - Paper 1
Step 1
Provide TWO features of the histogram that indicate the data comes from a normal distribution.
Answer
-
The histogram is symmetrical, meaning that it has a mirror image on both sides of a central value, which is characteristic of a normal distribution.
-
The histogram is unimodal, indicating that there is one clear peak in the distribution of scores, which is another feature typical of a normal distribution.