Question
Using the GROUPED frequency distribution you created, what is the percentile rank of a score of...
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Using the GROUPED frequency distribution you created, what is the percentile rank of a score of 15?
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Using the Grouped frequency you created, what score is at the 60th percentile? x f cf...
Using the Grouped frequency you created, what score is at the
60th percentile?
x
f
cf
c%
20-24
10
50
100%
15-19
14
40
80%
10-14
8
26
52%
5-9
8
18
36%
0-4
10
10
20%
(x) f cf %cf 20-24 10.00 50 100 15-19 14.00 40 80 10-14 8.00 26 52...
(x)
f cf %cf
20-24 10.00 50 100
15-19 14.00 40 80
10-14 8.00 26 52
5-9 8.00 18 36
0-4 10.00 10 20
what score is at the 62nd percentile?
what is the percentile rank of score 10?
Can you please explain how can we find the 50th percentile point using this grouped frequency...
Can you please explain how can we find the 50th percentile point
using this grouped frequency table? I know that it falls between
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score between 19.5 and 24.5. How can we find the exact 50th
percentile point? what is the easiest way to do so? Is there a
formula for that?
INTERVALS
FREQUENCIES
RELATIVE FREQUENCIES
CUMULATIVE
FREQUENCIES
CUMULATIVE PERCENTAGE
60-64
1
.01
78
100
55-59
1
.01
77
99
50-54...
Using the following data (which are sample scores), construct a Grouped Frequency Distribution on your scrap...
Using the following data (which are sample scores), construct a
Grouped Frequency Distribution on your scrap paper.
11 25 22 19 23 21 17 27 21 21 23 28 10 29
Intervals Real
Limits Midpoint f cf r% c%
10 - 13
14 - 17
18 - 21
22 - 25
26 - 29
What score is associated with the 50th percentile?
Problem 2-11 The owner of an automobile repair shop studied the waiting times for customers who...
Problem 2-11
The owner of an automobile repair shop studied the waiting times
for customers who arrive at the shop for an oil change. The
following data with waiting times in minutes were collected over a
one-month period.
10
11
5
20
6
5
3
20
10
11
9
15
5
18
6
9
2
22
22
7
(a)
Develop a frequency distribution using classes of 0-4, 5-9,
10-14, 15-19, and 20-24.
Class
Frequency
0-4
5-9
10-14
15-19
20-24
Total...
A frequency distribution is an organized tabulation of the number of individuals located in each category...
A frequency distribution is an organized tabulation of
the number of individuals located in each category on the scale of
measurement.
Frequency Tables:
Imagine you are a teacher and your students got the following
scores on a quiz you gave them: 8, 9, 8, 7, 10, 9, 6, 4, 9, 8, 7,
8, 10, 9, 8, 6, 9, 7, 8, 8. Place the scores in the table below
where the 1st column indicated the raw score and the
2nd column...
Complete the tasks and answer the questions below. a. Create a frequency distribution and a histogram...
Complete the tasks and answer the questions below.
a. Create a frequency distribution and a histogram for the
set.
b. Why did you select the class interval you used?
c. Is this distribution skewed? How do you know?
Class interval Frequency
55- 59 7
50- 54 5
45-49 5
40-44 7
35- 39 2
30- 34 3
25- 29 5
20- 24 4
15- 19 5
10- 14 3
5-9 3
0-4 1
The following frequency table summarizes 60 data values. What is the 80th percentile of the data?...
The following frequency table summarizes 60 data values. What is
the 80th percentile of the data? The table is read from left to
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1
1
1
1
2
2
2
2
2
2
2
3
3
3
3
6
6
6
7
7
8
8
9
9
9
9
10
11
11
11
11
11
12
12
12
12
13
13
13
14
14
14
14
15
15
15
16
17
17
17
17
17
18
19
19
20...
Percentile Question...easy, I'm sure, but I'm having trouble wrapping my head around this is figured...Thank you......
Percentile Question...easy, I'm sure, but I'm having trouble
wrapping my head around this is figured...Thank you...
Score: 12
13 14
15 16
17 18
19 20
Percent: 6% 8% 18% 24% 18% 10% 8%
6% 2%
a) What score is the 25th percentile?
b) What score is the 75th percentile?
c) What score is the 70th percentile?
Mean=2.7 S=1.7 What's the percentile rank o each? Order Score Z score 1 1 1 2 ...
Mean=2.7
S=1.7
What's the percentile rank o each?
Order Score Z score
1 1 1
2 1 1
3 2 -0.41
4 2 -0.41
5 2 -0.41
6 2 -0.41
7 3 0.17
8 3 0.17
9 5 1.35
10 6 1.94
What percent falls between the lowest and highest scores in your
table
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