Yulia
2021-07-27
Answered

Make a scatterplot of the data and graph the function $f\left(x\right)=-8{x}^{2}+95x+745$

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l1koV

Answered 2021-07-28
Author has **100** answers

The answer given in the photo below

asked 2021-03-02

1) In what way is the point unusual? Does it have high leverage, a large residual, or both?

2) Do you think that point is an influential point?

3) If that point were removed, would the correlation be- come stronger or weaker? Explain.

4) If that point were removed, would the slope of the re- gression line increase or decrease? Explain

asked 2020-11-08

What is a frequency distribution of qualitative data and why is it useful?

asked 2021-03-05

Match the values of r with the accompanying scatterplots 0.723,-0.353,0.353,0.998 and -0.998

scatterplots 1,2,3,4,5

asked 2022-02-11

The number of hours per week that the television is turned on is determined for each family in a sample. The mean of the data is 3131 hours and the median is 27.227.2 hours. Twenty-four of the families in the sample turned on the television for 1616 hours or less for the week. The 11th percentile of the data is 1616 hours.
Step 4 of 5 :
What is the value of the 50th percentile?

asked 2021-12-03

Find the standard deviation for the set of grouped sample data.

$$\begin{array}{|cc|}\hline Interval& Frequency\\ 0.5-3.5& 3\\ 3.5-6.5& 5\\ 6.5-9.5& 4\\ 9.5-12.5& 5\\ \hline\end{array}$$

$s=?$

asked 2021-12-02

An engineering company has four openings and the applicant pool consists of 6 database administrators and eight network engineers. All are equally qualified so the hiring will be done randomly. The hiring committee consists of 4 women and 4 men.

d. How many ways can 1 network engineers be chosen?

e. What is the probability that the random selection of the four persons to be hired will result in 3 database administrators and 1 network engineer?

d. How many ways can 1 network engineers be chosen?

e. What is the probability that the random selection of the four persons to be hired will result in 3 database administrators and 1 network engineer?

asked 2021-09-16

Find P(A) using the following table.