Question
Find the class boundaries of the first class.
Find the class boundaries of the first class.
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i am trying to figure out how to find class boundaries
i
am trying to figure out how to find class boundaries
For the following distribution, indicate the class boundaries (compute to the first decimal) _____, frequency _____,...
For the following distribution, indicate the class boundaries
(compute to the first decimal) _____, frequency _____, and
cumulative frequency ______ for the interval of 53-55 _____.
Scores: 56, 51, 47, 58, 55, 52, 53, 52, 49, 55, 54, 53, 47, 51,
57, 49, 50, 50, 48, 56, 58, 47, 57, 51, 54, 57, 49, 56
For the following distribution, indicate the class boundaries (compute to the first decimal) _____, frequency _____,...
For the following distribution, indicate the class boundaries
(compute to the first decimal) _____, frequency _____, and
cumulative frequency _____ for the interval of 56-58 _____.
Scores: 56, 51, 47, 58, 55, 52, 53, 52, 49, 55, 54, 53, 47, 51,
57, 49, 50, 50, 48, 56, 58, 47, 57, 51, 54, 57, 49, 56
What is class intervals and class boundaries in statistics ? explain with examples .
What is class intervals and class boundaries in statistics ?
explain with examples .
Question 6 (a) Explain the difference between class limit and class boundaries. [2 marks] (b) Use...
Question 6
(a) Explain the difference between class limit and class
boundaries. [2 marks]
(b) Use the frequency table, Table 1, overleaf to answer the
following questions:
Table 1
X
f
0-9
3
10-19
14
20-29
11
30-39
5
(i) What is the class width?
(ii) What is the sample size?
(iii) What is the lower class limit of the first class?
(iv) What is the lower class boundary of the first class?
(i) What is the class width?
(ii)...
(a) Explain the difference between class limit and class boundaries. [2 marks] (b) Use the frequency...
(a) Explain the difference between class limit and class
boundaries. [2 marks]
(b) Use the frequency table, Table 1, overleaf to answer the
following questions:
Table 1
X
f
0-9
3
10-19
14
20-29
11
30-39
5
Question 7
Use Table 1 above to calculate:
(a) the mean [3 marks]
(b) the median [4 marks]
(c) the mode [4 marks]
(d) the first quartile [4 marks]
(e) the standard deviation. [3 marks]
class boundaries midpoint frequencies 16.5-23.5 5 23.5-30.5 6 30.5-37.5 9 37.5-44.5 7 44.5-51.5 3 1) Find...
class boundaries
midpoint
frequencies
16.5-23.5
5
23.5-30.5
6
30.5-37.5
9
37.5-44.5
7
44.5-51.5
3
1) Find the class midpoints
2) Mean
3) Standard deviation
4) Variance
Create a frequency distribution that details width and class boundaries for 5 classes? Record the frequency...
Create a frequency distribution that details width and class
boundaries for 5 classes? Record the frequency in each class.
Create a histogram and describe the shape of the data.
September Gas Prices
3.15
3.12
3.12
3.11
3.08
3.08
3.07
3.06
3.03
2.99
2.98
2.97
2.93
2.89
2.79
There are 20 students in a class. Below are their scores on their first test. Find...
There are 20 students in a class. Below are their scores on
their first test. Find the seventieth percentile of the following
data.
76,98,45,67,76,35,63,44,58,85,93,90,58,88,92,71,68,82,84,90.
Gerrymandering is the practice of manipulating the boundaries of an electoral constituency so as to favor...
Gerrymandering is the practice of
manipulating the boundaries of an electoral constituency so
as to favor one party or class. T OR F
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