The weights of 40 pupils are shown below 35 43 52 39 62 54 58 37 44 62 43 48 53 42 55 37 45 50 40 46 52 53 49 37 44 54 49 61 59 60 45 58 32 56 49 65 46 34 67 53 (a) Group the data into classes of width 5 kg starting with 30-34, 35-39 and so on. (b) What is the modal class? (c) Using the grouped frequency distribution you found in part (a), estimate the mean and standard deviation of the data.
The weights of 40 pupils are shown below 35 43 52 39 62 54 58 37 44 62 43 48 53 42 55 37 45 50 40 46 52 53 49 37 44 54 49 61 59 60 45 58 32 56 49 65 46 34 67 53 (a) Group the data into classes of width 5 kg starting with 30-34, 35-39 and so on. (b) What is the modal class? (c) Using the grouped frequency distribution you found in part (a), estimate the mean and standard deviation of the data.
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section11.5: Interpreting Data
Problem 1C
Related questions
Question
Transcribed Image Text:The weights of 40 pupils are shown below
35
43
52
39
62
54
58
37
44
62
43
48
53
42
55
37
45
50
40
46
52
53
49
37
44
54
49
61
59
60
45
58
32
56
49
65
46
34
67
53
(a) Group the data into classes of width 5 kg starting with 30-34, 35-39 and so on.
(b) What is the modal class?
(c) Using the grouped frequency distribution you found in part (a), estimate the mean and standard deviation of the data.
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
Step by step
Solved in 6 steps with 1 images
Recommended textbooks for you
Holt Mcdougal Larson Pre-algebra: Student Edition…
Algebra
ISBN:
9780547587776
Author:
HOLT MCDOUGAL
Publisher:
HOLT MCDOUGAL
Holt Mcdougal Larson Pre-algebra: Student Edition…
Algebra
ISBN:
9780547587776
Author:
HOLT MCDOUGAL
Publisher:
HOLT MCDOUGAL