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Zinaida [17]
3 years ago
14

A statistics teacher was interested in the relationship between the number of days students waited to start a project and the sc

ore that project received (out of 100 points). Information was collected on several students and was used to obtain the regression equation y = –3.64x + 96.5, where x represents the number of procrastination days and y is the predicted grade. What is the predicted grade of a student who procrastinated for 2 days?
25.96
85.58
89.22
103.78
Mathematics
2 answers:
seraphim [82]3 years ago
8 0
25.96
85.58
89.22
103.78
Aleks [24]3 years ago
4 0

Answer:

89.22

Step-by-step explanation:

just plug in 2 to the x in a calc like so: -3.64(2)+96.5 and it will give you 89.22 . got it right on my quiz like 5 min ago sooo yeah hope this helps people in the future.

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a drum full of rice weighs 241/6 kg. If the empty drum weighs 55/4 kg, find the weight of rice in the drum
laiz [17]

Answer:

I believe the answer would be 186

Step-by-step explanation:

241-55=186

5 0
2 years ago
Please help I'm stuck on this questions thanks
polet [3.4K]
So its asking for basically the percentage of the first number out of the second. 

3. 25/50 = 50%
4. 125/75 = 167%
5. 32/28 = 114%
6. 7/10 = 70%


Hope this helped!  :)
6 0
3 years ago
What is the volume of a ball with a diameter of 7 centimeters?
Leviafan [203]
42.88. You might want to wait for another answer jyst to be 100% sure:)
7 0
2 years ago
Explain how you know that the some of 12.6, 3.1, and 5.4cis greater than 20
ddd [48]
You can add the numbers together so:

 12.6
   3.1
<u>+ 5.4
</u> 21.1 
<u>
</u>Since the sum of the numbers is 21.1, it is greater than 20<u>
</u>
8 0
2 years ago
Connor and Angie helped take attendance during their schools practice fire drill if the actual count was between 77 and 89 inclu
wel

Answer:

The most absolute error is 12

Step-by-step explanation:

The formula for absolute error is given by the following relation;

Absolute error, Δx = Value measured, x₀ - Exact (actual) value, x

Δx = x₀ - x

Since the actual count is between 77 and 89, the maximum absolute error will be where the actual value = 77 and the measured value = 89 and vice versa, giving an absolute error of 89 -77 = 12.

The most absolute error = 12.

4 0
3 years ago
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