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DochEvi [55]
3 years ago
9

The outlier, 78, is removed removed from the data set shown

Mathematics
2 answers:
Dvinal [7]3 years ago
7 0
Minus the orignal range 55 from the new range 22

d. 55-22
=33
Elanso [62]3 years ago
5 0

The range is decreased by 33.

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A survey is being planned to determine the mean amount of time corporation executives watch television. a pilot survey indicated
Natali [406]
Missing question: How many executives should be surveyed?

Solution:
Mean = 13 hours
SD = 3 hours
Confidence level = 95%

Mean viewing time within a quarter of an hour = 0.25 = 1.96*3/sqrt (N)

Where N = Sample population

N = {(1.96*3)/0.25}^2 = 553.19 ≈ 554

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Arlecino [84]

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7

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Given the information from the question:

fg - f = f \times g - f

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5 0
1 year ago
What is the equation of a circle with center (-3, -5) and radius 4?
o-na [289]

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the general equation of a circle is

(x-h)^{2} + (y-k)^{2} =r^{2}

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