MS 150 Statistics Quiz 12 Fall 2004
1	B	1. Grades: A, B, C, D, F	A. Nominal
2	A	2. Favorite soy sauce: Angostura, Kikkoman, Sanbushi, Yamasa	B. Ordinal
3	C	3. Year: 1981, 1987, 1999, 2002	C. Interval
4	D	4. Soy sauce bottle volumes: 500ml, 1000ml, 1800ml	D. Ratio
	Store	Brand	Price
	Nakasone	Sanbushi	2.6
	Wall Mart	Kikkoman	3.27
	Yoshie	Kikkoman	3.45
	Palm Terrace	Kikkoman	3.69
	Ambros	Kikkoman	3.85
	Best Buy	Kikkoman	3.89
	Josaiah	Kikkoman	3.9
	Ace Commercial	Yamasa	3.95
	Nakasone	Kikkoman	3.97
	4TY	Yamasa	4.25
	Panuelo	Yamasa	4.75
	En's Seven Star	Yamasa	4.95
5	12	What is the sample size n?
6	2.6	What is the minimum value in this data set?
7	4.95	What is the maximum value in this data set?
8	2.35	What is the range for this data?
9	0.47	Divide the data into five bins. What is the width of a single bin?
10	Bins	Frequency	RF
	3.07	1	0.08
	3.54	2	0.17
	4.01	6	0.50
	4.48	1	0.08
	4.95	2	0.17
	Sum:	12	1.00
11	8/60 minutes	2.51	≤ µ ≤	2.67	8 seconds is 0.13 minutes.
11 alt	8 seconds raw	-2.03	≤ µ ≤	7.21
12	No	On 28 December 2002 I ran an average lap time of 2.65 minutes.
13	No	Statistically speaking, can I say I was faster?
14	0.05	What is the level of significance for this test?
15a		Reject the null hypothesis
15b	[this is correct]	Fail to reject the null hypothesis
16	0.12	What is the p-value?
16 alt	0.98