Answer:
≈0.819232 or
Step-by-step explanation:
times
Describe how the data is dispersed in a box plot with the following data set: 25, 36, 21, 30, 20, 32, 38, 19, 36, 31, 26, 33, 27
, 18, 24.
1 answer:
Answer:
See attachment
Step-by-step explanation:
The given data set is 25, 36, 21, 30, 20, 32, 38, 19, 36, 31, 26, 33, 27, 18, 24.
We sort the data in ascending order to get:
18,19,20,21,24,25,26,27,30,31,32,33,36,36,38
The median is the middle number after sorting , which 27
The minimum value is 18
The maximum value is 38
The first quartile is the median of 18,19,20,21,24,25,26
The third quartile is the median of 30,31,32,33,36,36,38
The interquartile range is 33-21=12
The boxplot is shown in the attachment
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Answer:
144°
Step-by-step explanation:
step 1
Find the measure of the central angle of the regular pentagon
Divide 360 degrees by 5 (the number of sides)
Let
c----> the center of the pentagon
we know that
m∠ECA=72°
m∠ACB=72°
therefore
m∠ECB=m∠ECA+m∠ACB
substitute the values
m∠ECB=72°+72°=144°
The measure of angle ECB is equal to the degrees that the pentagon rotate