Q.7.1 Calculate the following, using the appropriate formulae: (Note: ALL calculations must be shown. Final answers should be given to two decimal places] Q.7.1.1 The mean. Interpret your answer. Q.7.1.2 The mode. Interpret your answer. Q.7.1.3 The third quartile. Interpret your answer. Q.7.1.4 The 67th Percentile. Interpret your answer. Q.7.1.5 The standard deviation.
Q.7.1 Calculate the following, using the appropriate formulae: (Note: ALL calculations must be shown. Final answers should be given to two decimal places] Q.7.1.1 The mean. Interpret your answer. Q.7.1.2 The mode. Interpret your answer. Q.7.1.3 The third quartile. Interpret your answer. Q.7.1.4 The 67th Percentile. Interpret your answer. Q.7.1.5 The standard deviation.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 13PPS
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Question
![Q.7.1 Calculate the following, using the appropriate formulae:
(Note: ALL calculations must be shown. Final answers should be given to two
decimal places]
Q.7.1.1
The mean. Interpret your answer.
Q.7.1.2 The mode. Interpret your answer.
Q.7.1.3 The third quartile. Interpret your answer.
Q.7.1.4 The 67th Percentile. Interpret your answer.
Q.7.1.5 The standard deviation.
(Note: The relevant formula must be used, marks will not be awarded if the
answer is simply obtained from the calculator]](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fa1dff170-05c0-4524-b2d4-30ebba3f1a28%2Fe8aceb00-eb4b-45fb-9852-ec182c1be8e0%2Fs2dpa58_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Q.7.1 Calculate the following, using the appropriate formulae:
(Note: ALL calculations must be shown. Final answers should be given to two
decimal places]
Q.7.1.1
The mean. Interpret your answer.
Q.7.1.2 The mode. Interpret your answer.
Q.7.1.3 The third quartile. Interpret your answer.
Q.7.1.4 The 67th Percentile. Interpret your answer.
Q.7.1.5 The standard deviation.
(Note: The relevant formula must be used, marks will not be awarded if the
answer is simply obtained from the calculator]
Transcribed Image Text:The following grouped frequency distribution table indicates the marks obtained by students on a
Maths test.
Mark (%)
Number of Students
0-< 20
4
20 -< 40
11
40 -< 60
18
60 -< 80
12
80 -< 100
5
n = 50
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