Question

PLZ HELP ASAP Using the frequency table below, find how many students received a score of 70 or better on a mathematics test.

A.19
B.12**
C.17
D.14
Score Interval Frequency

50 – 59 [2]

60 – 69 [5]

70 – 79 [5]

80 – 89 [7]

90 – 99 [2]

Answer 1

Okay this one is pretty easy.

Here are the steps:
1. we know that 70 - 79 = 5 students 80 - 89 = 7 students 90 - 99 = 2 students.
2. ADD
3. 5 + 7 + 2= 14
4. ANSWER


A: D there are 14 students scored 70 and above!
Hope this helped! (tell me if i'm wrong or right please!!!)

Answer 2

D.14

Explanation:

To find out the answer, we need to add up all the student s that a 70 or above. 5 got 70-79, 7 got 80-89, and 2 got 90-99.Add these up and we get 14. The answer is D.14