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2 years ago

If someone around 831,982 to 830,000 and then someone else rounds 831,982 for 800,000 who would be correct

Mathematics

1 answer:

devlian [24]2 years ago

3 0

Question

If someone around 831,982 to 830,000 and then someone else rounds 831,982 for 800,000 who would be correct?

Answer:

Hi, There! Mika-Chan I'm here to help! :)

First We Need to know If we're rounding to the Nearest Hundred thousand or Not.

So The Answer would Be 800,000 If your Going to Round to the nearest Hundred

But If We're rounding to The Nearest ten Thousand The Answer would be 830,000

:D hope this Helps you!

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3 years ago

How much is 80% from 250.00

rodikova [14]

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2 years ago

Read 2 more answers

Consider a data set containing the following values: 70 65 71 78 89 68 50 75 The mean of the preceding values is 70.75. The devi

Leokris [45]

Answer:

If this is the sample data, the sample variance is 125.07 and the sample standard deviation is 11.18

If this is a population data, the population variance is 109.44 and the population standard deviation is 10.46

Step-by-step explanation:

We are given the following data-set:

70, 65, 71, 78, 89, 68, 50, 75

Deviations from the mean

–0.75, –5.75 , 0.25, 7.25, 18.25, –2.75, –20.75, 4.2

Sample size, n = 8

Sample:

$\text{Standard Deviation} = \sqrt{\displaystyle\frac{\sum (x_i -\bar{x})^2}{n-1}}$

where $x_i$ are data points, $\bar{x}$ is the mean and n is the number of observations.

Sum of squares of differences =

0.5625 + 33.0625 + 0.0625 + 52.5625 + 333.0625 + 7.5625 + 430.5625 + 18.0625 = 875.5

$s = \sqrt{\dfrac{875.5}{7}} = 11.18$

$\text{ Sample variance} = s^2 = 125.07$

Population:

$\text{Standard Deviation} = \sqrt{\displaystyle\frac{\sum (x_i -\bar{x})^2}{n}$

where $x_i$ are data points, $\bar{x}$ is the mean and n is the number of observations.

Sum of squares of differences =

0.5625 + 33.0625 + 0.0625 + 52.5625 + 333.0625 + 7.5625 + 430.5625 + 18.0625 = 875.5

$\sigma = \sqrt{\dfrac{875.5}{8}} = 10.46$

$\text{ Population variance} = \sigma^2 = 109.44$

7 0

2 years ago