Question

Below lists some of the scores on an test in a math course with 30 students...

Below lists some of the scores on an test in a math course with 30 students

77 82 91 65 100 93 6172 83

Determine the 98% confidence interval for the mean ?.

Math   Statistics-And-Probability   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
On a math test, the scores of 24 students were               98   71   75   65   75  ...
On a math test, the scores of 24 students were               98   71   75   65   75   75   98   82   75   66   83   71               71   83   75   71   83   75   71   82   71   83   82   65 Construct a frequency distribution. Use 4 classes beginning with a lower class limit of 60. Fill out in the blank below Scores Frequency
The test scores of 40 students are listed below.                           30 35 43 44 47   48   54...
The test scores of 40 students are listed below.                           30 35 43 44 47   48   54   55 56 57                           59 62 63 65 66   68   69   69   71   72 72 73   74   76   77   77   78   79   80   81   81 82 83   85   89   92   93   94   97   98              a)     Find the lower and upper quartiles for the data.              b)     Find the interquartile range.              c)     Draw the box-and-whisker diagram for the data.
The Test Scores for a Statistics course are given in the Excel below. The data (X1,...
The Test Scores for a Statistics course are given in the Excel below. The data (X1, X2, X3, X4) are for each student. X1 = score on exam #1 X2 = score on exam #2 X3 = score on exam #3 X4 = score on final exam Your professor wants to know if all tests are created equal. What is the F-Stat? EXAM1 EXAM2 EXAM3 FINAL 73 80 75 65.86667 93 88 93 80.16667 89 91 90 78 96 98...
In order to determine whether or not a driver’s education course improves the scores on a...
In order to determine whether or not a driver’s education course improves the scores on a driving test, a sample of 6 students were given the test before and after taking the course. The results are shown below. Let d = Score after – Score before. Student                        Before the Course                  After the Course 1                                              83                                            87 2                                              89                                            88 3                                              93                                            91 4                                              77                                            77 5                                              86                                            93 6                                              79                                            83 Use α = 0.1 and test to see if...
A certain test preparation course is designed to improve students' SAT Math scores. The students who...
A certain test preparation course is designed to improve students' SAT Math scores. The students who took the prep course have a mean SAT Math score of 504 with a standard deviation of 38.5, while the students who did not take the prep course have a mean SAT Math score of 492 with a standard deviation of 43.5. The SAT Math scores are taken for a sample of 78 students who took the prep course and a sample of 85...
. A certain test preparation course is designed to improve students' SAT Math scores. The students...
. A certain test preparation course is designed to improve students' SAT Math scores. The students who took the prep course have a mean SAT Math score of 504 with a standard deviation of 38.5, while the students who did not take the prep course have a mean SAT Math score of 492 with a standard deviation of 43.5. The SAT Math scores are taken for a sample of 78 students who took the prep course and a sample of...
A certain test preparation course is designed to improve students' SAT Math scores. The students who...
A certain test preparation course is designed to improve students' SAT Math scores. The students who took the prep course have a mean SAT Math score of 507 while the students who did not take the prep course have a mean SAT Math score of 501. Assume that the population standard deviation of the SAT Math scores for students who took the prep course is 45.7 and for students who did not take the prep course is 32.1 The SAT...
A certain test preparation course is designed to improve students' SAT Math scores. The students who...
A certain test preparation course is designed to improve students' SAT Math scores. The students who took the prep course have a mean SAT Math score of 507 while the students who did not take the prep course have a mean SAT Math score of 501. Assume that the population standard deviation of the SAT Math scores for students who took the prep course is 45.7 and for students who did not take the prep course is 32.1 The SAT...
The following scores on the midterm exam in a math class were recorded. Find IQR. 93...
The following scores on the midterm exam in a math class were recorded. Find IQR. 93 81 59 69 82 73 61 77 95 84 88 71 85 97 63 72 89 80 60 98 91 62 78 83 76 81 94 66 83 96
Test score of 40 students are listed below. Find the percentile for the test score of...
Test score of 40 students are listed below. Find the percentile for the test score of 66. 30 35 43 44 47 48 54 55 56 57 59 62 63 65 66 68 69 69 71 72 72 73 74 76 77 77 78 79 80 81 81 82 83 85 89 92 93 94 97 98
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT