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Bingel [31]
2 years ago
12

A high school teacher recorded the number of hours each of his students spent on a social networking website in a particular wee

k and related this with their scores on a math test they took at the end of the week. The data is represented in the scatter plot.
Qualitatively evaluate the information in the scatter plot. An acceptable estimate for the graph's correlation coefficient could be
[ Select
1.00
0.75
0.15
0.55]

Based on the data, we can conclude that the time students spent on the social networking website had a
[ Select
week or insignificant
strong and positive
strong and negative
moderate and negative]
effect on their performance on the test.
Mathematics
2 answers:
Vesnalui [34]2 years ago
5 0

Qualitatively evaluate the information in the scatter plot. An acceptable estimate for the graph's correlation coefficient could be

[ Select

1.00

0.75

0.15

0.55]

Based on the data, we can conclude that the time students spent on the social networking website had a

[ Select

week or insignificant

strong and positive

strong and negative

moderate and negative]

effect on their performance on the test.

Nikitich [7]2 years ago
4 0

Answer:

theres the picture tysm

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If-2a &gt; 6, then<br> -a&gt;3<br> -a&lt;3<br> -a&lt;-3<br> -a&gt;-3
chubhunter [2.5K]

Answer:

a < - 3

Step-by-step explanation:

Given

- 2a > 6

Divide both sides by - 2, reversing the symbol as a result of dividing by a negative quantity, thus

a < - 3

5 0
3 years ago
RS has a midpoint at M(7, 10). Point R is at (8, 10). Find the coordinates of point s.
Elena L [17]

Answer:

S(6, 10)

Step-by-step explanation:

1. The Midpoint (in this case, M) will always be halfway between both R and S (or other characters in some cases).

2. As M is only one X value away from R, it is only 1 X value from S as well, but in the other direction.

3. (7, 10) - (1, 0) = (6, 10)

The (7, 10) is the Midpoint Coordinates.

The (1, 0) is the distance from M to R.

The (6, 10) is the coordinates of S.

5 0
3 years ago
A company manager for a tire manufacturer is in charge of making sure there is the least amount of defective tires. If the tire
Anestetic [448]

Answer:

0.347% of the total tires will be rejected as underweight.

Step-by-step explanation:

For a standard normal distribution, (with mean 0 and standard deviation 1), the lower and upper quartiles are located at -0.67448 and +0.67448 respectively. Thus the interquartile range (IQR) is 1.34896.

And the manager decides to reject a tire as underweight if it falls more than 1.5 interquartile ranges below the lower quartile of the specified shipment of tires.

1.5 of the Interquartile range = 1.5 × 1.34896 = 2.02344

1.5 of the interquartile range below the lower quartile = (lower quartile) - (1.5 of Interquartile range) = -0.67448 - 2.02344 = -2.69792

The proportion of tires that will fall 1.5 of the interquartile range below the lower quartile = P(x < -2.69792) ≈ P(x < -2.70)

Using data from the normal distribution table

P(x < -2.70) = 0.00347 = 0.347% of the total tires will be rejected as underweight

Hope this Helps!!!

6 0
3 years ago
Five times the difference of twice a number and three, decreased by the sum of the number and eight, equals 13
denis23 [38]
5(2x-3)-(x+8)=13
10x-15-x-8=13
9x-23=13
9x=36
x=4
7 0
3 years ago
Read 2 more answers
Coras kitten weighs 1,200 grams. If he weighed 550 grams at the last visit to the veterans office, what percent is the increase
Juli2301 [7.4K]
First, find the different of the two weights
d = 1,200 - 550
d = 650

The different of the weights is 650

Second, to find the percentage, we should compare the difference to the former weight. So we compare 650 to 1,200, then multiply it to 100%
percentage = 650/1,200 × 100%
percentage = (65,000/1,200) %
percentage = 51.17%
percentage = 51%

The percent of increase is 51%
8 0
3 years ago
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