The answer should be D
Number more than 3: 4, 5 and 6
Frequency of each number greater than three:
4- 20
5-30
6-38
Add them you get 88
Total frequency: 200
Therefore: 88/200 = 0.44
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:
Carla is correct
Step-by-step explanation:
When you multiple or divide a negative the sign changes, or flips the other side.
ex:-4x≥12
-4x/-4≥12/-4
x≤-3
hope this helps!
The answer is 1 7/30 hope this helps
Dang that’s crazy, send me some pics and you got a deal
