Hypothesis test examples for you to work.
1. Text page 456 #15 and #16
Solutions are Here
2. More Examples to Work
The Solutions are Here.
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TUESDAY MAY 12
Hypothesis Testing Examples I
Hypothesis Testing Examples II
Hypothesis Testing Examples III
Hypothesis Testing Examples IIII
Hypothesis Testing Examples V
I will post some practice problems on Wednesday morning.
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THURSDAY MAY 7
For whatever reason, uploading is taking forever this evening. I’ll keep at it.
Hypothesis Testing Intro I
Hypothesis Testing Intro II
Hypothesis Testing Intro III
Hypothesis Testing Intro IIII
Hypothesis Testing Intro V
Hypothesis Testing Intro VI
Hypothesis Testing Intro VII
Hypothesis Testing Intro VIII
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TUESDAY APRIL 28
Coming today: videos on confidence intervals for the population proportion. THIS TOPIC WILL BE INCLUDED on the exam on May 5.
Confidence Intervals for population proportion I
Confidence Intervals for population proportion II
Confidence Intervals for population proportion III
Confidence Intervals for population proportion IIII
Confidence Intervals for population proportion V
Confidence Intervals for population proportion VI
Confidence Intervals for population proportion VII
You should now be able to work page 398 #11, 13, 17, 19b, 21b, 22b, 23b, 26b
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THURSDAY, APRIL 23
There are no new videos for today. You should look over all the videos and the assignments for Chapter 7 and what has been done so far with Confidence Intervals.
MY CURRENT PLAN IS TO HAVE AN EXAM ON TUESDAY, MAY 5. (Think of it as a Cinco de Mayo party. (To paraphrase Bart Simpson, “Sounds like a pretty crappy party to me.”))
THE EXAM WILL COVER ALL NORMAL CURVE TOICS PRESENTED AND ALSO CONFIDENCE INTERVAL FOR THE MEAN AND THE PROPORTION. The format will primarily be multiple choice and there might be some short answer items as well. You will need access to a normal table and a t-distribution table which you can find at the bottom of this page. While it’s not required, I would recommend printing them out for your convenience. Also at the bottom of this page is a link to the formula sheet you will need. Again, I would advise printing it out.
You may use the calculator of your choice, you may use your notes, and the text. I will take this into account when I write the exam and when I score it. You should be aware that if you need to consult your notes for every problem, you likely will not have enough time to complete the exam. You should become familiar enough that you requite little if any referencing of your notes.
You should now go to THE Statistics Announcements page (see link above) and read more info on the exam there.
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TUESDAY APRIL 21
Confidence Intervals with t-table I
Confidence Intervals with t-table II
Confidence Intervals with t-table III
Confidence Intervals with t-table IIII
CORRECTION! When I worked the example in the above video the camera must have malfunctioned. The margin of error for this item should of course be 5.145. There must have been a glitch in the camera because it makes it look (and sound – the audio must have malfunctioned as well) like .016, which clearly I did not, Your Honor. The final result should
be 66.7 +- 5.145, which is of course what I said and wrote before the uh… umm… recording device fouled up… yeah, that’s what happened. 😀
You should now be able to work page 385 #11-20 and #21-28 (For the second group you need only work part a.)
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THURSDAY APRIL 16
NO NEW VIDEOS TODAY. I AM RE-ARRANGING THE WEB PAGE AND SEEING TO SOME OTHER DETAILS. DEVOTE A LITTLE MORE TIME TO YOUR OTHER CLASSES! 😉
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Tuesday April 14
Section 8.1
Confidence Intervals Intro I
Confidence Intervals Intro II
No assignment yet – more to come…
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Chapter 7
Section 7.1
Normal Curve I
Normal Curve II
Standard Normal Curve I
Standard Normal Curve II
Stats Normal Curve Examples I
Stats Normal Curve Examples II
Using The Normal Table I
Using the Normal Table II
Stats Examples I Page 309
Stats Examples II Page 309
Stats Examples III Page 309
You should now be able to work problems #23 – #28 on page 309.
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Section 7.2 Part I
Normal Curve I
Normal Curve II
Normal Curve III
You should now be able to work page 316 #17-22, #27a,b #28a,b,c #31a,b #32a,b #39a,b #40a,b,c
Some examples.
Page 317 20a
Page 317 20b
Page 317 28c
Section 7.2 Part II
Percentiles I
Percentiles II
Percentiles III
Percentiles IIII
You should be able to work page 317 #23 – 26, #29a, b #30a,b #33a,b #34a, b
Some of these items are worked out HERE.
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Section 7.3
Central Limit Theorem I
Central Limit Theorem II
Central Limit Theorem III
Central Limit Theorem IIII
Central Limit Theorem V
You should be able to work page 325 #9 – #14 (only part a on each) and # 15 – 18 (only parts a & b on each)
Some of these items are worked out HERE.
If the z-score is too big for the table I
If the z-score is too big for the table II
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Section 7.4
Normal Curve with Binomial Experiments I
Normal Curve with Binomial Experiments II
Normal Curve with Binomial Experiments III
Normal Curve with Binomial Experiments IIII
Normal Curve with Binomial Experiments V
You should be able to work page 333 #19, 20, 21, 22, parts b,c,d,e on each. and #23, parts a, b, c, d
Note: There is a problem type I have not addressed yet which goes to part e on items #19-22. I will discuss that topic on Tuesday’s video set.
If the z-Score is Too Big for the Table I
If the z-Score is Too Big for the Table II
After viewing these videos (which are uploading now) you should be able to finish the previous assignment.
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Syllabus is a complete irrelevancy now.
Grades are Here. I will put your code number on this next exam before I return it to you.
This is good for any student to read, but especially if this is your first semester in college.
Text:
Tables are Here.
Binomial Table.
Normal Table.
t-table.
Formula Sheet is Here.
Binomial becomes Normal is Here.