STAT 200 Technology levels--snaptutorial.com

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STAT 200 Technology levels--snaptutorial.com
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STAT 200 Technology levels--snaptutorial.com
STAT 200 Quiz 2 For more classes
visit www.snaptutorial.com   1. (10 points) Once
upon a time, I had a fast-food lunch with a
mathematician colleague. Inoticed a very strange
behavior in him. I called it the Au-Burger
Syndrome since it wasdiscovered by me at a
burger joint. Based on my unscientific survey, it
is a rare but real maladyinflicting 2 of
mathematicians worldwide. Yours truly has
recently discovered a screening testfor this
rare malady, and the finding has just been
reported to the
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STAT 200 Technology levels--snaptutorial.com
STAT 200 Week 2 HomeWork For more classes
visit www.snaptutorial.com   7. For the data from
the 1977 Stat. and Biom. 200 class for eye color,
construct  a.       pie graph b.      horizontal
bar graph c.       vertical bar graph d.      a
frequency table with the relative frequency of
each eye color 
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STAT 200 Technology levels--snaptutorial.com
STAT 200 Week 3 HomeWork For more classes
visit www.snaptutorial.com   7. You flip a coin
three times. (a) What is the probability of
getting heads on only one of your flips? (b) What
is the probability of getting heads on at least
one flip? 25. You are to participate in an exam
for which you had no chance to study, and for
that reason cannot do anything but guess for
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STAT 200 Technology levels--snaptutorial.com
STAT 200 Week 4 HomeWork For more classes
visit www.snaptutorial.com   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. The
current speed limit is 65 mph. What is the
proportion of vehicles less than or equal to the
speed limit? b. What proportion of the vehicles
would be going less than 50 mph?
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STAT 200 Technology levels--snaptutorial.com
STAT 200 Week 5 HomeWork For more classes
visit www.snaptutorial.com   5. When you
construct a 95 confidence interval, what are you
95 confident about? 8. What is the effect of
sample size on the width of a confidence
interval? 11. A population is known to be
normally distributed with a standard deviation of
2.8.
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STAT 200 Technology levels--snaptutorial.com
STAT 200 Week 6 HomeWork For more classes
visit www.snaptutorial.com   Lane Chap. 11 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
hypothesis is true? b. What is the probability
that you will make a Type I error given that the
null hypothesis is false?
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STAT 200 Technology levels--snaptutorial.com
STAT 200 Week 7 HomeWork For more classes
visit www.snaptutorial.com   Lane Chap. 14 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? b. If someones predicted
score was 14, what was this persons score on X? 
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STAT 200 Technology levels--snaptutorial.com
STAT 200 Week 8 HomeWork For more classes
visit www.snaptutorial.com   Lane Chap. 15 10. If
an experiment is conducted with 5 conditions and
6 subjects in each condition, what are dfn and
dfe? 17. The following data are from a
hypothetical study on the effects of age and time
on scores on a test of reading comprehension.
Compute the analysis of variance summary
table. 28. (AT) The dataset ADHD Treatment has
four scores per subject.
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STAT 200 Technology levels--snaptutorial.com