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3 years ago

Find the mean and the median of this data set: 8, 6, 6, 3, 55, 7, 5, 2. The mean is and the median is .

Mathematics

1 answer:

Sonja [21]3 years ago

7 0

Answer:

Mean: 11.5 Median: 6

Step-by-step explanation:

For the mean find the average by adding all of the numbers up and dividing by the number of numbers in the set.

For the median arrange the numbers in order of least to greatest then find the middle number if there is two add them together and divide by two.

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Ms. Jones washed 2/5 of her laundry. Her son washed 1/4 of it. How much of the laundry still needs to be washed?

Andrew [12]

Answer:

Give me a heart and 5 stars

Step-by-step explanation:

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2 years ago

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Algebra Complete the table.Write the

AURORKA [14]

Step-by-step explanation:

In the second column, we can see that every value of n is being added by 6.

Thus, the expression is n + 6.

Now, let's substitute the value of n in each column to verify each column. Then, using the expression, let's find the value of n + 6 where n = 28.

When n is 12:

n + 6 = 18
12 + 6 = 18
18 = 18

When n is 15:

n + 6 = 21
15 + 6 = 21
21 = 21

When n is 21:

n + 6 = 27
21 + 6 = 27
27 = 27

Thus, the expression is proven correct. Now, let's find n + 6 when n is 28.

Finding n + 6 when n is 28:

n + 6 = x
28 + 6 = x
34 = x

Thus, the missing value in the table is 34.

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2 years ago

Determine the inverse of the conditional statement: If My Mom has to work, then I babysit my little sister

leonid [27]

If I babysit my little sister, my Mom has to work.

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3 years ago

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A study indicates that 37% of students have laptops. You randomly sample 30 students. Find the mean and the standard deviation o

Brilliant_brown [7]

Answer:

The mean and the standard deviation of the number of students with laptops are 1.11 and 0.836 respectively.

Step-by-step explanation:

Let X = number of students who have laptops.

The probability of a student having a laptop is, P (X) = p = 0.37.

A random sample of n = 30 students is selected.

The event of a student having a laptop is independent of the other students.

The random variable X follows a Binomial distribution with parameters n and p.

The mean and standard deviation of a binomial random variable X are:

$\mu=np\\\sigma=\sqrt{np(1-p)}$

Compute the mean of the random variable X as follows:

$\mu=np=30\times0.37=1.11$

The mean of the random variable X is 1.11.

Compute the standard deviation of the random variable X as follows:

$\sigma=\sqrt{np(1-p)}=\sqrt{30\times0.37\times(1-0.37)}=\sqrt{0.6993}=0.836$

The standard deviation of the random variable X is 0.836.

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3 years ago

Colin invests £14100 into his bank account. He receives 9.0% per year simple interest. How much will Colin have after 5 years? G

Ivahew [28]

Answer:

6350

Step-by-step explanation:

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3 years ago