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sergeinik [125]
1 year ago
7

(a) calculate the value of the correlation coefficient between sale price and size. (give the answer to three decimal places.) r

= .701 correct: your answer is correct. (b) calculate the value of the correlation coefficient between sale price and land-to-building ratio. (give the answer to three decimal places.) r = -.3462 incorrect: your answer is incorrect. (c) if you wanted to predict sale price and you could use either size or land-to-building ratio as the basis for making predictions, which would you use?
Mathematics
1 answer:
Dafna11 [192]1 year ago
5 0

Answer:

.701

Step-by-step explanation:

The reason for the option chosen is because the coefficient is closer to 1 which is the standard for correlation and also, the answer is rounded off to three decimal places as requested in the question.

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the cost of an annual tuition at a university increased from 10,500 to 11,300 what is the percent increase in tuition to the nea
Maurinko [17]
Percent increase
find increase first
10500 to 11300
11300-10500=800
so
percent increase
change/original
origianal=10500
change=800
800/10500=8/105=0.0761
percent means parts out of 100
0.0761/1 times 100/100=7.61/100=7.61%

rond 7.61% to tenth or to 7.6%

7.6%

5 0
2 years ago
Draw or write two ways to use a doubles fact to find 6+7
PtichkaEL [24]
Here are a few doubles facts:

5+5=10
2+2=4
3+3=6

A double is simply a pair of identical numbers added together. There's a pair of doubles you can <em>subtract </em>1 from to get 6+7, and there's a pair you can <em>add</em> 1 to get the same answer. What are those pairs?

Hint: If you take the example 3+4, you can either <em>subtract 1</em> from the double 4+4 or <em>add 1</em> to the double 3+3 to obtain your answer.
4 0
2 years ago
The number of pages that Carolyn wrote in her journal each day from Monday to Friday is shown below: 9, 8, 12, 6, 10. What is th
cricket20 [7]

Answer:

She wrote 9 pages per day on average

Step-by-step explanation:

The number of pages that Carolyn wrote in her journal each day from Monday to Friday is shown below:

Monday = 9

Tuesday =8

Wednesday = 12

Thursday = 6

Friday = 10

Mean = \frac{\text{Sum of all observations}}{\text{No. of observations}}\\Mean =\frac{9+8+12+6+10}{5}

Mean=9

Hence She wrote 9 pages per day on average

4 0
2 years ago
A scientist is studying red maple tree growth in a state park. She measured the trunk diameters of a sample of trees in the same
Natali5045456 [20]
Point b is the correct answer love!
4 0
1 year ago
If one serving is 1/6 of a tray of lasagna, how many servings are in three trays of lasagna?
lbvjy [14]

Answer:

18 servings

Step-by-step explanation:

\dfrac{3}{(\frac{1}{6})}= \\\\3\times \left(\frac{6}{1}\right)= \\\\3\times 6= \\\\18

Hope this helps!

4 0
1 year ago
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