Use the data in the total column above to calculate the relative frequency RF.
Calculate the values for x * p(x)
______________ Calculate the estimated average age for Toddlerania.
On the back, sketch a population pyramid chart for the Toddlerania data above, females on the left, males on the right. Do not try to use the computer, just hand sketch as accurately as you can.
____ Is the population of Toddlerania (A) Growing, (B) Staying the same, or (C) Shrinking over time?
Replacemenistan
Frequency
Age
Female
Male
0
15
15
10
15
15
20
15
15
30
15
15
40
15
15
50
15
15
60
8
8
70
2
2
Sums:
____ Is the population of Replacemenistan (A) Growing, (B) Staying the same, or (C) Shrinking over time?
Elderonesia
Frequency
Age
Female
Male
0
4
4
10
8
8
20
12
12
30
16
16
40
20
20
50
15
15
60
13
13
70
12
12
Sums:
____ Is the population of Elderonesia (A) Growing, (B) Staying the same, or (C) Shrinking over time?
Speed check toughie: What are the estimated average ages for Replacemenistan: _________ and Elderonesia: __________?