Recent questions in High school statistics

High school statisticsAnswered question

Kobe Dixon 2023-04-01

Read carefully and choose only one option

A statistic is an unbiased estimator of a parameter when (a) the statistic is calculated from a random sample. (b) in a single sample, the value of the statistic is equal to the value of the parameter. (c) in many samples, the values of the statistic are very close to the value of the parameter. (d) in many samples, the values of the statistic are centered at the value of the parameter. (e) in many samples, the distribution of the statistic has a shape that is approximately Normal

High school statisticsAnswered question

Leon Bishop 2023-04-01

Construct all random samples consisting three observations from the given data. Arrange the observations in ascending order without replacement and repetition.

86 89 92 95 98.

86 89 92 95 98.

High school statisticsAnswered question

juanikitoexgv5y 2023-03-31

Find the mean of the following data: 12,10,15,10,16,12,10,15,15,13.

High school statisticsAnswered question

hangobw6h 2023-03-23

The equation has a positive slope and a negativey-intercept.

1) y=−2x−3

2) y=2−3x

3) y=2+3x

4) y=−2+3x

1) y=−2x−3

2) y=2−3x

3) y=2+3x

4) y=−2+3x

High school statisticsAnswered question

chatterbsau3e 2023-03-22

What term refers to the standard deviation of the sampling distribution?

High school statisticsAnswered question

Chelsea Mcknight 2023-03-21

Fill in the blanks to make the statement true: $30\%of\u20b9360=\_\_\_\_\_\_\_\_$.

High school statisticsAnswered question

verfugtg5e 2023-02-08

The first 15 digits of pi are as follows: 3.14159265358979

The frequency distribution table for the digits is as follows:

$\begin{array}{|cc|}\hline DIGIT& FREQUENCY\\ 1& 2\\ 2& 1\\ 3& 2\\ 4& 1\\ 5& 3\\ 6& 1\\ 7& 1\\ 8& 1\\ 9& 3\\ \hline\end{array}$

Which two digits appear for 3 times each?

A) 1, 7

B) 2, 6

C) 5, 9<br<D) 3, 8

The frequency distribution table for the digits is as follows:

$\begin{array}{|cc|}\hline DIGIT& FREQUENCY\\ 1& 2\\ 2& 1\\ 3& 2\\ 4& 1\\ 5& 3\\ 6& 1\\ 7& 1\\ 8& 1\\ 9& 3\\ \hline\end{array}$

Which two digits appear for 3 times each?

A) 1, 7

B) 2, 6

C) 5, 9<br<D) 3, 8

High school statisticsAnswered question

Foemicofeduz 2023-01-20

How to write $\frac{2}{20}$ as a percent?

High school statisticsAnswered question

whereonzgz 2023-01-19

What is the simple interest of a loan for $1000 with 5 percent interest after 3 years?

High school statisticsOpen question

Keira Gibson2022-12-19

The probability that an automobile being filled with gasoline also needs an oil change is 0.30; the probability that it needs a new oil filter is 0.40; and the probability that both the oil and the filter need changing is 0.10. (a) If the oil has to be changed, what is the probability that a new oil filter is needed? (b) If a new oil filter is needed, what is the probability that the oil has to be changed?

High school statisticsAnswered question

Kolton Rush 2022-12-19

Leasing a car. The price of the car is$45,000. You have $3000 for a down payment. The term of the lease is and the interest rate is 3.5% APR. The buyout on the lease is51% of its purchase price and it is due at the end of the term. What are the monthly lease payments (before tax)?

High school statisticsAnswered question

Charlie Glass 2022-12-19

The mean of sample A is significantly different than the mean of sample B. Sample A: $59,33,74,62,87,73$ Sample B: $53,67,72,57,93,79$ Use a two-tailed $t$-test of independent samples for the above hypothesis and data. What is the $p$-value?

High school statisticsAnswered question

Mollie Wise 2022-12-04

Which statement is true?

Group of answer choices

The larger the standard deviation, the higher the total risk.

The larger the standard deviation, the lower the total risk.

The standard deviation is not an indication of total risk.

None of these are correct.

Group of answer choices

The larger the standard deviation, the higher the total risk.

The larger the standard deviation, the lower the total risk.

The standard deviation is not an indication of total risk.

None of these are correct.

High school statisticsAnswered question

Brenda Leach 2022-12-01

Which among the following is not a fundamental force of nature?

Gravitational Force

Electromagnetic Force

Buoyant Force

Weak Nuclear Force

Gravitational Force

Electromagnetic Force

Buoyant Force

Weak Nuclear Force

High school statisticsAnswered question

Scott Valenzuela 2022-11-29

Еhere is a question that worries me: Why is it correct to say a normal distribution and the standard normal distribution?

High school statisticsAnswered question

Marques Flynn 2022-11-27

For the data in the table, does y vary directly with x? Write an equation for the direct variation.

$x:8,16,24\phantom{\rule{0ex}{0ex}}y:11,22,33$

a. yes; y = 2.75x

b. yes; y = 0.6875x

c. yes; y = 1.375x

d. no; y does not vary directly with x

$x:8,16,24\phantom{\rule{0ex}{0ex}}y:11,22,33$

a. yes; y = 2.75x

b. yes; y = 0.6875x

c. yes; y = 1.375x

d. no; y does not vary directly with x

High school statisticsAnswered question

Talia Frederick 2022-11-26

Which of the following is not a measure of central tendency?

Mode

Standard deviation

Median

Mean

Mode

Standard deviation

Median

Mean

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