Quiz 5 MATH302
Return to Assessment List
Part 1 of 8 -
3.0/ 3.0 Points
Question 1 of 17
1.0/ 1.0 Points
A researcher hypothesizes that the variation in the amount of money spent on business dinners is
J. Shao
Mathematical Statistics: Exercises and Solutions
Contains over 500 exercises and solutions covering a wide variety of
topics in mathematical statistics
2005, XXVIII, 360 p.
Printed book
Softc
Part 1 of 9 -
1.0/ 1.0 Points
Question 1 of 25
1.0/ 1.0 Points
For a boxplot, the vertical line inside the box indicates the location of the
A.mean
B.median
C.mode
D.inter quartile range
Answer Key: B
Quiz 4 MATH302
Return to Assessment List
Part 1 of 3 -
11.0/ 11.0 Points
Question 1 of 20
1.0/ 1.0 Points
Which of the following statements are true of the null and alternative hypotheses?
A.It is pos
Quiz 3_MATH302
Return to Assessment List
Part 1 of 3 -
5.0/ 7.0 Points
Question 1 of 20
0.0/ 1.0 Points
Accepted characters: numbers, decimal point markers (period or comma), sign indicators (-),
spac
Quiz 1_MATH302
Return to Assessment List
Part 1 of 3 -
12.0/ 12.0 Points
Question 1 of 20
1.0/ 1.0 Points
A sample of 20 observations has a standard deviation of 4. The sum of the squared deviations
f
Quiz 2_MATH302
Return to Assessment List
Part 1 of 6 -
5.0/ 5.0 Points
Question 1 of 20
1.0/ 1.0 Points
If one tosses a coin enough times, the proportion of "heads" will approach 0.5. This is an
examp
Christine Miller
5/31/2016
Week one homework assignment
3. If you are told only that you scored in the 80th percentile, do you know from that description
exactly how it was calculated? Explain
There i
Christine Miller
Week 5 HW
June 30, 2016
Lane:
4. Why is a 99% confidence interval wider than a 95% confidence interval?
The definition of a confidence interval is that it contains the true population
Christine Miller
Week 3 HW
14 June 2016
Lane et al:
5. A fair coin is flipped 9 times. What is the probability of getting exactly 6 heads?
1/ (2^9) x (9/6)
(2^9) = 512
(9 x 8 x7) / (3 x 2 x 1) =84
84/
Christine Miller
Week 4 HW
June 25, 2016
8. Assume the speed of vehicles along a stretch of I-10 has an approximately normal distribution
with a mean of 71 mph and a standard deviation of 8 mph.
a. Th
Christine Miller
Week 7 HW
July 13, 2016
2. The formula for a regression equation is Y = 2X + 9.
a. What would be the predicted score for a person scoring 6 on X?
Y' = 2(6)+9
Y=12+9
Y=21
b. If someone
Christine Miller
Week 6 HW
7 July 2016
Lane:
18. You choose an alpha level of .01 and then analyze your data.
a. What is the probability that you will make a Type I error given that the null hypothesi
STAT 200
Section 6360
Summer 2016`
Quiz #2
Please answer all 6 big questions. The maximum score for each question is
posted at the beginning of the question, and the maximum score for the
quiz is 80 p
STAT 200
Summer 2016`
Quiz #3
Please answer all 4 big questions. The maximum score for each
question is posted at the beginning of the question, and the maximum score
for the quiz is 80 points. Make s
Christine Miller
6/11/2016
Week 2 Homework
Lane et al:
7. For the data from the 1977 Stat. and Biom. 200 class for eye color, construct:
Number of students
Brown
Blue
Green
Gray
a. pie graph
b. horizo
SPSS ASSIGNMENT #4
Crosstabs
For this assignment you will be using the data contained in the
following file (you can find it under Resources)dataset.sav
The Crosstabs command produces frequency distri
11c
1Pulse rate 72 beats per minuite
E)ho u=72 ha>72
2 type 2 error
B Conclude the students have the same fitness as the general populuation
3signifigance test pvalue 0.04
B)reject h0 at the 5% signif