The best way to randomly choose the 100 families would be to allow a random number generator to come up with 100 families within a 50 radius of the amusement park.
Using this method would ensure that it is more randomised & not limited to people who come at a specific time or are in a specific area as well as it not be affected by subconscious bias of people when selecting people to survey.
The median is of this set of data is 67
Answer:
5 and -5
Step-by-step explanation:
3x² = 75
x² = 75/3
x² = √25
x = 5 and - 5
Answer:
96
Step-by-step explanation:
1200 × 8% or 0.08 = 96
so 96
Answer:
19
Step-by-step explanation:
1-(-18)
=1+18
=19