The normal curve is symmetrical about the mean.
GCSE Statistics Normal Distribution

Quiz
•
Mathematics
•
12th Grade
•
Hard
Anthony Clark
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
True
False
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
According to the empirical rule, what percentage of data falls within 1 standard deviation of the mean?
25%
68%
95%
99.7%
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
According to the empirical rule, how much of the data falls within 2 standard deviations of the mean?
25%
68%
95%
99.7%
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The area under the normal curve is 1.
True
False
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
434 Company pack coffee in bags marked as 250 g
A large number of packs of coffee were weighed and the mean and standard deviation were calculated as 255 g and 2.5 g respectively.
Assuming this data is normally distributed, what percentage of packs are underweight?
2.5%
3.5%
4%
5%
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The ages of the population of people living in Meru area in Ipoh are Normally distributed with mean 43 and standard deviation 14
The town has a population of 5,000.
How many would you expect to be aged between 22 and 57?
You can use this Standard Normal Distribution curve:
1750
3860
3870
4330
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
68% of the marks in a test are between 51 and 64
Assuming this data is normally distributed, what are the mean and standard deviation?
Mean = 57
S.D. = 6.5
Mean = 57
S.D. = 7
Mean = 57.5
S.D. = 6.5
Mean = 57.5
S.D. = 13
Create a free account and access millions of resources
Similar Resources on Wayground
14 questions
Normal Distributions

Quiz
•
10th - 12th Grade
18 questions
Quiz - Standard Deviation and Distribution Curves

Quiz
•
9th - 12th Grade
20 questions
Normal Distribution

Quiz
•
10th - 12th Grade
20 questions
Standard Deviation

Quiz
•
11th - 12th Grade
15 questions
Normal distribution

Quiz
•
9th - 12th Grade
12 questions
68-95-99.7 (Empirical Rule)

Quiz
•
10th - 12th Grade
17 questions
13.1 Standard Deviation and Confidence Interval

Quiz
•
9th - 12th Grade
16 questions
Central Limit Theorem

Quiz
•
11th - 12th Grade
Popular Resources on Wayground
25 questions
Equations of Circles

Quiz
•
10th - 11th Grade
30 questions
Week 5 Memory Builder 1 (Multiplication and Division Facts)

Quiz
•
9th Grade
33 questions
Unit 3 Summative - Summer School: Immune System

Quiz
•
10th Grade
10 questions
Writing and Identifying Ratios Practice

Quiz
•
5th - 6th Grade
36 questions
Prime and Composite Numbers

Quiz
•
5th Grade
14 questions
Exterior and Interior angles of Polygons

Quiz
•
8th Grade
37 questions
Camp Re-cap Week 1 (no regression)

Quiz
•
9th - 12th Grade
46 questions
Biology Semester 1 Review

Quiz
•
10th Grade