in a set of ten scores arranged in ascending order the 5th score is 3 less than the 6th score, if the 6th score is 14, find the median of the scores

Answers

Answer 1

Answer:

Answer:

I believe the median is 6.5

Step-by-step explanation:

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How do I construct a sample data set for which n=7, x=9(x bar), and s=0?

Answers

When the standard deviation = 0, there is no deviation at all. So the numbers are all the same. And there are seven of them. And the average is nine.
So the sample data set would just be seven 9s.

Final answer:

To create a sample data set with n=7, a mean of 9, and a standard deviation of 0, all seven data points must be identical to the mean, resulting in the data set {9, 9, 9, 9, 9, 9, 9}.

Explanation:

To construct a sample data set with n=7, where $\overline{x}=9$ (x bar is the sample mean), and s=0 (s is the sample standard deviation), follow these steps:

Understand that if the standard deviation s is zero, all data points in the sample must be identical.
Since the sample mean $\overline{x}$ is given as 9, all seven data points in the sample must also be 9 to achieve a standard deviation of 0.
Thus, the sample data set will simply be {9, 9, 9, 9, 9, 9, 9}.

Remember that the sample mean is calculated as the sum of all data values divided by the number of values (n), and the sample standard deviation measures the amount of variation or dispersion of a set of values. A standard deviation of zero indicates that all values are identical to the mean.

If a/b = 2 /5, b/c = 3 /8, a/c =??

Answers

Answer:

3/20

Step-by-step explanation:

By question it's given that ,

$\implies (a)/(b)=(2)/(5)$

$\implies (b)/(c)=(3)/(8)$

And we need to find out the value of a/c .For that Multiply both of them , we have ;

$\implies (a)/(b) *(b)/(c)=(2)/(5)* (3)/(8) \n\n\implies (a)/(c)= (3)/(20)$

Hence therequired answer is3/20.

If n=-2 should we first add 7 to n or
multiply n by 3? Explain.

Answers

Answer: Add 7 to n to make it a positive number and easier to work with

Step-by-step explanation:

first all 7 then divide by divide by 3

Why is 0.3 a rational number A. It is on the number line.
B. The number can be written as a ratio of two integers.
C. It is a decimal.
D. The numbers can not be written as a ratio of two integers.

Answers

The number 0.3 is defined as a rational number, because: B. "The number can be written as a ratio of two integers."

What is a rational number?

A rational number is a number that can be expressed as a fraction of two integers, where the denominator is not zero.

The correct answer is B. "0.3" is a rational number because it can be written as the fraction 3/10, where the numerator (3) and denominator (10) are both integers since a rational number is defined as any number that can be expressed as the quotient or ratio of two integers, with the denominator not being zero.

In this case, 0.3 can be written as the ratio 3/10, making it a rational number. Therefore, the correct answer is option B.

Learn more about rational number on:

brainly.com/question/19079438

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Answer : B. The number can be written as a ratio of two integers.

Explanation : In mathematics, a rational number is any number that can be expressed as a ratio of two integer numbers, being a non-zero denominator.

0.3 can be written as 3/10

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