-Our high school has a maximum of 800 students in total
-I surveyed 200 people in my high school
-This came up to: 40 random students from each grade (grade: 7, 8, 9, 10 11) (40 x 5=200)
-I randomly asked students in our school cafeteria to do my surveys
THIS WAS MY SURVEY:
Which of the following COLD beverages do you drink the most?
a) Water
b) Juice
c) Soda
d) Milk
e) Energy Drink
f) Other
Which of the following HOT beverages do you drink the most?
a) Coffee
b) Tea
c) Hot Chocolate
d) Other
IS MY SAMPLE REPRESENTATIVE? Can you justify your answer for me, please?
2007-05-30 11:59:16 · 2 answers · asked by freindly asian 1 in Education & Reference ➔ Primary & Secondary Education
I work with a company who make online surveys... and for any kind of study they consider 300 a good sample number... So I think a few more samples and you are good to go.
2007-05-30 12:05:43 · answer #1 · answered by Aditya K 2 · 0⤊ 0⤋
200 out of 800 is only one quarter of the school body.
More students needed. 300 or 350 would be more representative.
2007-05-30 12:29:50 · answer #2 · answered by thisbrit 7 · 0⤊ 0⤋