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@stepbystep001

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what is mode of that 1,1,2,3,4,5,8,7,5,8,6,9,8,2,8
Anonymous Quiz
6%
1
3%
2
88%
8
4%
6
A shot-put player records the following scores, 16.8 m, 16.9 m, 17.1 m, 17.2 m, 17.8 m, 17.9 m, 18.2 m, 18.3 m, 18.3 m, 18.5 m. Find the 10% trimmed mean.
Anonymous Quiz
1%
16
9%
16.71
4%
17
86%
17.71
When constructing a comparative bar graph we use the ............. rather than the ............
Anonymous Quiz
15%
frequency , relative frequency
83%
relative frequency , frequency
2%
None
المحاضره 3
The mean, median, or mode by itself is usually a sufficient measure to reveal the shape of the distribution of a data set.
Anonymous Quiz
38%
T
62%
F
is the simplest measure of dispersion to calculate
Anonymous Quiz
13%
Mean
1%
Median
79%
Range
7%
Mode
What is the Range of these value 25,8,4,5,75,96,51
Anonymous Quiz
3%
21
10%
91
84%
92
2%
45
range is very satisfactory measure of dispersion
Anonymous Quiz
37%
T
63%
F
The greater the amount of variability in the sample, the larger the magnitudes (ignoring the signs) of the deviations.
Anonymous Quiz
92%
T
8%
F
is the most-used measure of dispersion.
Anonymous Quiz
14%
DEVIATION
54%
standard deviation
32%
both
In general, a Large value of the standard deviation for a data set indicates that the values of that data set are spread over a relatively smaller range around the mean.
Anonymous Quiz
44%
T
56%
F
A particular deviation is positive if the corresponding x value is greater than x bar and negative if the x value is less than x bar
Anonymous Quiz
86%
T
14%
F
The standard deviation of the widths (in cm) of a group of 25 leaves is 0.9 cm. What is the variance of their widths?
Anonymous Quiz
12%
5
14%
0.3
68%
0.81
7%
8.1
The heights of a group of 6 people are 150 cm, 1 55 cm, 160 cm, 165 cm, 170 cm, and 175 cm. Find the standard deviation of their heights.
Anonymous Quiz
10%
8.78
69%
8.53
8%
7.96
13%
9.12
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Derived Channel
image.png
Calculate the deviation in marks obtained by them.
Anonymous Quiz
7%
8.2
87%
8.6
5%
6.81
1%
5.32
Find the standard deviation of the following data (rounded off to two decimal places). 5,3,4,7
Anonymous Quiz
70%
1.48
7%
3.21
9%
4.12
14%
2.45
If the standard deviation of a, b and c is t, then what will be the standard deviation of a + 6, b+6 and c+ 6 ?
Anonymous Quiz
41%
t
32%
t+6
12%
a+b+c
14%
6t
empirical rule applies only to a specific type of distribution called a bell - shaped distribution .
Anonymous Quiz
95%
T
5%
F
What is the variance of first five positive integers?
Anonymous Quiz
82%
2
7%
8
6%
4
5%
20