"The point estimate is used to estimate the exact value of any parameter. For example, an internet poll says that 45% of Americans are concerned for the environment."

"Point estimates is a good measure but the problem with this parameter is that the sample of the statistics may vary so that there is a chance of sampling error."

"As the researcher is unable to presume that closeness of the sample statistics parameter with respect to the parameter so researcher refers to calculate the standard error instead of point estimate."

To learn more about standard error here

brainly.com/question/13179711

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4 0

1 year ago

Apply the distributive property and then combine like terms to write an equivalent expression

Norma-Jean [14]

x + 7(x + 1)

7x + 7

x + 7x + 7

8x + 7

x + 7(x + 1) = 8x + 7

8x + 7

3 0

3 years ago

Drag each expression to match its equivalent expression. Each expression may be used only once.

ryzh [129]

Answer:

here it is in order

x^2 = 1 / x ^ -2

x^4 ÷ x^3 = x

(x^2)^2 = x^4

x^3 × x^3 × x^3 = x ^ 9

8 0

3 years ago

susan has a total of 31 books. amy has four less than seven times the number of books compared to susan. write an equation for t

Alexxx [7]

Answer:

213

Step-by-step explanation:

(31x7)-4

4 0

3 years ago