Ten young adults living in California rated the taste of a newly
developed sushi pizza topped with tuna, rice, and kelp on a scale
of 1 to 50, with 1 indicating they did not like the taste and 50
that they did. The ratings were:
|
34 |
39 |
40 |
46 |
33 |
31 |
34 |
14 |
15 |
45 |
In a parallel study, 10 young adults in Iowa rated the taste of
the same pizza. The ratings were:
|
28 |
25 |
35 | 16 | 25 | 29 | 24 | 26 | 17 | 20 |
Click here for the Excel Data File
Calculate the range, mean and variance. (Round "mean" to 1 decimal place and "variance" to 2 decimal places.)
(A) For California data
use TI 84 calculator
STAT --> EDIT and enter the data into L1 list
Go to STAT --> CALC --> 1-VarStats
List : L1
Freq : None
Press Calculate, this gives us
Range = 32, mean = 33.1, variance = 120.99
(B) For lowa data
use TI 84 calculator
STAT --> EDIT and enter the data into L2 list
Go to STAT --> CALC --> 1-VarStats
List : L2
Freq : None
Press Calculate, this gives us
Range = 19, mean = 24.5, variance = 32.72
Ten young adults living in California rated the taste of a newly developed sushi pizza topped...
Ten young adults living in California rated the taste of a newly developed sushi pizza topped with tuna, rice, and kelp on a scale of 1 to 50, with 1 indicating they did not like the taste and 50 that they did. The ratings were: 34 39 40 46 33 31 34 14 15 45 In a parallel study, 10 young adults in Iowa rated the taste of the same pizza. The ratings were: 28 25 35 16 25 29...