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.
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section11.1: Stem-and-leaf Plots And Histograms
Problem 1C
Related questions
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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