MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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Class limits | Class boundaries | Class midpoints | Frequency | Cumulative frequency |
---|---|---|---|---|
19
23
|
18.5
23.5
|
21
|
2
|
2
|
24
28
|
23.5
28.5
|
26
|
4
|
6
|
29
33
|
28.5
33.5
|
31
|
0
|
6
|
34
38
|
33.5
38.5
|
36
|
6
|
12
|
39
43
|
38.5
43.5
|
41
|
5
|
17
|
44
48
|
43.5
48.5
|
46
|
4
|
21
|
49
53
|
48.5
53.5
|
51
|
2
|
23
|
Part 1 of 4
(a)How many values are in the class
-
?
28.5
33.5
The number of values in the class
28.5
33.5
|
|
Part 2 of 4
(b)How many values fall between
and
?
23.5
43.5
The number of values that fall between
23.5
43.5
|
|
(c)How many values are below
?
38.5
The number of values that are below
38.5
|
|
Part 4 of 4
(d)How many values are above
?
33.5
The number of values that are above
33.5
|
|
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- (Measure of Position) Based on the frequency distribution, find the highest fuel capacity of the lowest 30%.arrow_forwardThe frequency distribution shown is constructed incorrectly. Class Frequency 132 - 136 5 137 - 141 9 142 - 146 3 147 - 151 8 152 - 156 14 162 - 166 16 Select all applicable mistakes in the frequency distribution. class limits overlap a class is omitted class width is not uniformarrow_forwardHello, could you please help me with this The following table represents the frequency distribution for the age of 30 lottery winners. Round answers to 4 decimal places. Age Frequency Relative Frequency Cumulative Relative Frequency 20 - 29 2 0.0667 0.0667 30 - 39 6 0.2 0.2667 40 - 49 6 0.2 0.4667 50 - 59 6 0.2 0.6667 60 - 69 5 0.1667 0.8334 70 - 79 4 0.1333 0.9667 80 - 89 1 0.0333 1 How many lottery winners were between 20 and 39 years old? My answer: 8 What is the cumulative frequency of lottery winners younger than 70 years old? What is the relative frequency for the 40 to 49 year olds? What is the cumulative relative frequency of lottery winners younger than 50 years old? What is the frequency of lottery winners between 60 and 69 years old?arrow_forward
- Ages Number of students 15-18 4 19-22 5 23-26 6 27-30 7 31-34 4 35-38 10 Based on the frequency distribution above, find the cumulative frequency for the class with lower class limit 31Cumulative Frequency = Give your answer rounded to one decimal placearrow_forwardMatch the class with the relative frequency by reading the graph. 100% Relative Commulative Frquency 90% 80% 70% 60% 50% 40% 30% 20% 10% Relative Cumulative Frequency Palygon -0.5 10.5 21.5 32.5 43.5 54.5 65.5 76.5 87.5 Class Boundaries 54.5-65.5 21.5-32.5 1. 0% 65.5-76.5 2 10% 76.5-87.5 3. 20% -0.5-10.5 4. 30% 10.5-21.5 5, 40% 6. 50% 43.5-54.5 32.5-43.5arrow_forwardAges Number of students 15-18 10 19-22 7 23-26 9 27-30 9 31-34 10 35-38 2 Based on the frequency distribution above, find the relative frequency for the class with lower class limit 31Relative Frequency =arrow_forward
- Class Class Mark Boundaries Less than Greater Relative Classes Frequency cumulative than Frequency Frequency cumulative frequency 5-9 1 1 40 0.03 7 5.5 - 9.5 10-14 2 39 0.05 12 10.5 – 14.5 15-19 8. 36 0.13 17 15.5 - 19.5 20-24 7 15 32 0.18 22 20.5 – 24.5 25-29 10 25 25 0.25 27 25.5 – 29.5 30-34 7 32 15 0.18 32 30.5 – 34.5 35-39 4 36 8. 0.1 37 35.5 – 39.5 40-44 3 39 3 0.08 42 40.5 - 44.5 45-49 1 40 0.03 47 45.5 - 49.5 3. How many students got a score of 25 and above? 4. How many students got a score of 29 and below? 5. What are the real limits of the class interval with the highest frequency?arrow_forwardClass limits Class boundaries Class midpoints Frequency Cumulative frequency 20 - 24 19.5 - 24.5 22 2 2 25 - 29 24.5 - 29.5 27 3 30 - 34 29.5 - 34.5 32 35 - 39 34.5 - 39.5 37 2 7 40 - 44 39.5 - 44.5 42 4 11 45 - 49 44.5 - 49.5 47 3 14 50 - 54 49.5 - 54.5 52 1 15 Part 1 of 4 (a) How many values are in the class 29.5 - 34.5? The number of values in the class 29.5 - 34.5 is 0 Part 2 of 4 (b) How many values fall between 24.5 and 44.5? The number of values that fall between 24.5 and 44.5 is 23arrow_forward
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