Answer:
The cumulative frequency plot is also attached below.
Step-by-step explanation:
The data provided is as follows:
Age Group Frequency
0 - 9 34.9
10 - 19 35.7
20 - 29 36.8
30 - 39 38.1
40 - 49 37.8
50 - 59 37.8
60 - 69 34.5
70 - 79 27.2
80 - 89 18.8
90 - 99 7.7
100 - 109 1.7
Consider the Excel output attached.
The cumulative frequency are computed in the Excel sheet.
The cumulative frequency plot is also attached below.
From the cumulative frequency plot it can be seen that in the future most people will belong to a higher age group rather then the lower ones.
Answer:
c. 3.5 because the difference between both triangles is 1 cm so 4.5 - 1 = 3.5
Step-by-step explanation:

now, a line perpendicular to that one, will have a "negative reciprocal" slope, thus
Answer:
Step-by-step explanation:
the mean would be appropriate measure of center to describe the data shown in the histogram because the data is symmetrical.A symmetric histogram is a distribution in which the 2 halves appear to be the same on both sides.
Answer:
ok im not sure this is the right answer to your specific question, because i dont understand the wording to well, but here...
for 1/7 and 1/2 it would be 2/7 and 1 (whole)
for 1 and 1/7 it would be 2(whole) and 2/7
for 1 and 2/7 it would be 2(whole) and 4/7
for 4/9 it would be 8/9 and x
and for 2/9 it would be 4/9 and x
sorry if thats not the question :)
EDIT: its the second one because
2*1/7= 2/7
and 1/2*2=1