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Artemon [7]
4 years ago
13

Which measure of center is shown in a box plot? mean, median, mode, range

Mathematics
1 answer:
Nostrana [21]4 years ago
7 0

Answer:

A box plot shows the Median

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DEFG is an isosceles trapezoid. Find the measure of E.
abruzzese [7]
If it is isosceles angle E must be equal to F, in this case 75°
4 0
3 years ago
Read 2 more answers
Construct a 95% confidence interval for the population mean, µ. Assume the population has a normal distribution. A sample of 25
Alex787 [66]

Answer:

Step-by-step explanation:

We want to determine a 95% confidence interval for the mean mean test score of students.

Number of sample, n = 25

Mean, u = 81.5

Standard deviation, s = 10.2

For a confidence level of 95%, the corresponding z value is 1.96. This is determined from the normal distribution table.

We will apply the formula

Confidence interval

= mean ± z score ×standard deviation/√n

It becomes

81.5 ± 1.96 × 10.2/√25

= 81.5 ± 1.96/× 2.04

= 81.5 ± 3.9984

The lower end of the confidence interval is 81.5 - 3.9984 =77.5

The upper end of the confidence interval is 81.5 + 3.9984 = 85.5

Therefore, with 95% confidence interval, the mean test score of students is between 77.5 and 85.5

5 0
3 years ago
The population of a town increases at a rate of 5% every year. The population of this town was 10,400 in 2017. What will the pop
galben [10]

Answer:

The population of the town in 2020  will approx. be 12,039.

Step-by-step explanation:

The initial population in the year 2017 = 10,400

Increase in population every yea r  =  5%

Now, 5% of 10, 400 = \frac{5}{100} \times 10, 400 = 520

Hence, the population in the year 2018 = 10,400 + 520 = 10,920

Now, in the year 2019

5% of 10, 920 = \frac{5}{100} \times 10, 920 = 546

Hence, the population in the year 2019 = 10,920 + 546 = 11,466

Now, in the year 2020

5% of 11,466 = \frac{5}{100} \times 11,466 = 573.3

or, the population in the year 2020 = 11,466  + 573.3 = 12,039.3

The population of the town in 2020  will approx. be 12,039.

6 0
3 years ago
Calculate the income tax for a person earning 25,000
hjlf

Answer:

There is no answer, since there is not enough information

Step-by-step explanation:

You need to give the rates and time as well.

3 0
3 years ago
What's the smallest number divisible by 1-11?
just olya [345]
Answer: 27, 720 Explanation: ✅
8 0
3 years ago
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