Answer:
B: The mean study time of students in Class B is less than students in Class A.
Step-by-step explanation:
To find out why answer B is the right answer, I will give you facts from each option.
Option A is false. <em>The mean study time in Class A is 4.8. Meanwhile in Class B it is 4. For Class A, sum up the 20 study times which is 96 and divide them by 20, you will get 4.8 hours of mean study time. For Class B, the sum of the 20 study times is 80, which divided by 20 will be 4.
</em>
Option B is True. <em>See previous explanation.
</em>
Option C is False. <em>The median study time in Class B is 4. The median study time in Class A is 4.8,
</em>
Option D is False. <em>The range in Class A is from 2 to 8. The range in Class B is from 2 to 7.
</em>
Option E is False: <em>The mean and median study time of these classes is different.</em>
Answer:
h=A-2πr2/2πr
Step-by-step explanation:
Answer:
A. -2
Step-by-step explanation:
-25p - 2 = 48
First, add 2 to both sides
That gives you
-25p = 50
Then, divide both sides by -25. Then that leaves the answer.. p = -2
Hello from MrBillDoesMath!
Answer:
The protein/calories ratios are equivalent
Discussion:
For the first column
Protein/calories = 24/96 = 1/4
For the second column
Protein/calories = 28/112 = 1/4
So the protein/calories ratios are equivalent
Thank you,
MrB
Answer:
$163.85
Step-by-step explanation:
Markup 45% means selling price is 100+45 = 145% of cost
145/100 × 113 = 163.85