Unit 10 Assignment
Complete the following from Chapter 9 in the course textbook, Elementary Statistics Using Excel, 5th
edition by Triola.
9-2 Page 480-482 #6, 8, and 14
6.
E-mail Privacy Among 436 workers surveyed in a Gallup poll, 192 said that it was
20.
Conclusion If we use the listed pulse rates with suitable methods of statistics, we conclude that when
the 64.0 average (mean) of the pulse rates of the five males is compared to the 69.6 average (mean) of
the pulse rates of the five females, there is
Page 280-281 #10, 12, 14 and 15
10. 0.8508 = 85.1%, So the probability of selecting a person randomly to have a bone density test
that results above -1.04 is 0.8508 as shown in the shaded area
12. The area corresponding to the region between the two Z-sco
SEC 3-2:
#8 Tests of Child Booster Seats The National Highway Traffic Safety Administration conducted crash tests
of child booster seats for cars. Listed below are results from those tests, with the measurements given in
hic, which is a measurement of a s
Complete the following from Chapter 8 in the course textbook, Elementary Statistics Using Excel, 5th
edition by Triola.
Page 424-426 #6, 7, 20, 23 and 26
6.
Claim: When parents use the XSORT method of gender selection, the proportion of baby girls is grea
Page 230-233 #6, 8, 14 and 24
6.
a. Eye colors of humans on commercial aircraft flights
o In this case, Eye colors of humans on commercial flights is not a random variable
because its values do not depend on chance.
b. Weights of humans on commercial airc
NS305
Unit 3 Solutions
Chapters 1 - 4
Chapter 1
Page 13 #20
20. The results do not prove that the populations of males and females have the same average (mean)
pulse rate. The results are based on a particular sample of five males and five females, and an
Complete the following from Chapter 7 in the course textbook, Elementary Statistics Using Excel,
5th edition by Triola
Page 364 #6, 8, 14, and 18
6. Find the critical value z/2 that corresponds to a 99% confidence level.
o
The critical value z/2 that cor
Unit 4 Assignment
Complete the following from Chapter 4 in the course textbook, Elementary Statistics Using Excel, 5th
edition by Triola.
Page 166-168 #21-24, 31, 34 and 36
21.
Pre-Employment Drug Screening Find the probability of selecting someone who g
Unit 2 Assignment
Page 63 #21 and 22
#21 Pulse Rates of Males Refer to Data Set 1 in Appendix B and use the pulse rates (beats per minute) of
males. Begin with a lower class limit of 40 and use a class width of 10. Do the pulse rates of males
appear to ha