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Oduvanchick [21]
4 years ago
14

A random sample of 30 college students is selected. Each student is asked how much time he or she spent on homework during the p

revious week. The following times​ (in hours) are obtained. 19​, 15​, 17​, 18​, 24​, 22​, 21​, 20​, 18​, 20​, 18​, 21​, 17​, 22​, 16​, 23​, 24​, 15​, 20​, 17​, 19​, 23​, 18​, 17​, 15​, 24​, 20​, 20​, 19​, 16 Construct a frequency distribution for the data.
Mathematics
1 answer:
Allushta [10]4 years ago
6 0

Answer:

See Explanation

Step-by-step explanation:

Given the number of hours each student spent doing homework below:

19​, 15​, 17​, 18​, 24​, 22​, 21​, 20​, 18​, 20​, 18​, 21​, 17​, 22​, 16​,

23​, 24​,  15​, 20​, 17​, 19​, 23​, 18​, 17​, 15​, 24​, 20​, 20​, 19​, 16

The table below is a frequency distribution for the data

\left|\begin{array}{c|c}\text{Number of Hours}&\text{Number of Students}\\(Homework)&Frequency\\-----&------\\15&3\\16&2\\17&4\\18&4\\19&3\\20&5\\21&2\\22&2\\23&2\\24&3\\-----&------\\Total&30\end{array}\right|

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julia-pushkina [17]

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Hey mate....

Step-by-step explanation:

This is ur answer....

<h2>Angle C</h2>

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5 0
3 years ago
The sum of three consecutive multiples of three are 54 more than twice the smallest number. What are the three integers?
Misha Larkins [42]

Answer:

45, 48, and 51.

Step-by-step explanation:

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Check: 45+48+51 is 144. 45*2+54=144. 144=144 Correct!

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4 years ago
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3 years ago
How can you rewrite (z ≤ −1.75) in order to find the answer?
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We have given that  (z ≤ −1.75).

We have to use the Normal Distribution is symmetrical

<h3>What is the Normal Distribution is symmetrical?</h3>

The normal distribution is symmetric and has a skewness of zero.

P(z \leq -1.75)

P(z >  > 1.75)

1 - P(z \leq  1.75)

1 - 0.9599

0.04001 \times 100=4.001 \%

That is nothing but the 4%

The learn more about the normal distribution visit:

brainly.com/question/4268196

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