MAT 107 Towson University Statistics Frequency Distribution Worksheet I need help with these Questions please look at the attached file. All the questions

MAT 107 Towson University Statistics Frequency Distribution Worksheet I need help with these Questions please look at the attached file. All the questions are on it. If you do the work for this project by hand, you must show the work you do to arrive at your results to earn full credit. If you use technology (computer, calculator, etc.) to obtain the results, you must state the technology you used and describe how you used it to obtain the results to obtain full credit. Name: ______________________________
MAT 107
Project
Number of Pages in Statistics Books
The table below lists the number of pages found in a sample
of 30 random statistics books. Use this data throughout the
project.
616
493
525
741
608
495
739
589
589
733
578
564
881
556
465
613
488
724
435
576
569
801
757
500
739
774
601
731
742
526
If you do the work for this project by hand, you must show
the work you do to arrive at your results to earn full
credit. If you use technology (computer, calculator, etc.)
to obtain the results, you must state the technology you
used and describe how you used it to obtain the results to
obtain full credit.
1. (5 points) Construct a grouped frequency distribution for
the data. Use 6 classes and let the lower limit of the
first class be the minimum data value.
Class
Limits
Class
Boundaries
Frequency
Relative Cumulative
Frequency Frequency
2. (2 points) Construct a histogram for the data set.
sure to label the axes appropriately.
Be
3. (1 point) Does the distribution appear to be normal (yes
or no)? Explain.
4. (6 points) Find the following descriptive statistics for
the sample data.
Mean
Median
Mode(s)
Range
Variance
Standard Deviation
5. (5 points) Find the 5-number summary for the data.
Min = _______________
Q1
= _______________
Q2
= _______________
Q3
= _______________
Max = _______________
6. (1 point) Sketch a box plot.
scale.
Do your best to draw it to
7. (1 point) What is the IQR? _______________
8. (3 points) Identify any outliers using the technique
described on page 104 in Section 2.5 of the textbook.
Any data value less than ________or greater than_______
is to be considered an outlier.
Therefore, the following data values are outliers (write
“none” if there are no outliers):
9. (1 point) What is the z-score for a book that has 750
pages?
z = ____________
10. (1 point) What is the z-score for a book that has 350
pages?
z = ____________
11. (1 point) If someone were to ask you what the z-score
for 350 means, what would you say?
12. (1 point) Construct a 95% confidence interval for the
population’s mean number of pages. Assume the population
standard deviation is σ = 115.0.
____________