BusinessWeek published information on 283 equity mutual funds. A sample of 40 of those funds appears to the right. Use the data set to answer the following questions. a. Develop a point estimate of the proportion of the Business Week equity funds tha
A sample of 50 Fortune 500 companies showed 5 were based in NY, 6 in CA, 2 in MN, 1 in WI. a. Estimate of the proportion of Fortune 500 companies in NY. b. Estimate of the proportion of Fortune 500 companies in MN. c. Estimate of the proportion of Fo
Chapter 10
Problem 1
a.
b.
c.
Name:
3.96
0.319871
3.333064
to
A travel magazine conducts an annual s
higher values indicating better service.
and a sample of 37 ships that carry 500
deviation is 4.55 for ships that carry few
4.5869357548
a. What is the po
Name
Nachiket Deshmukh
Please note that the answer summary sheet is not part of the exam. It simply consolidates your work into a grading tab
STAT500 Spring 2014 FINAL EXAM
Multiple Choice Answers:
1.
a
2.
b
3.
d
4.
c
5.
d
6.
b
7.
a
8.
d
9.
b
10.
a
s your
Extra Credit Challenge Problem
A testing organization reported that 5% of their scores are under 450 while 40% of their scores exceed
1085. Assume that test scores are normally distributed, what is the and for the distribution?
Show your work, step by ste
Armand's pizza believes that sales are directly influenced by the student
population of nearby college campuses. The data provided was collected
from a sample of 10 Armand's Pizza Parlor restaurants located near
college campuses.
1. Create a scatter diagr
Multiple Choice
Name
Nachiket Deshmukh
Answers
1
c
2
a
3
d
Please place all answers for this exam in the designated yellow boxes.
4
a
Do not move boxes or make adjustments to the Summary sheet.
5
c
6
c
7
b
8
c
9
a
10
c
EXAM 1
A hairdresser believes that s
x = salad plate filling weight a= b= 5 15
f (x) = 1/(b a) for a < x < b = 0 elsewhere E(x) = (a + b)/2 Var(x) = (b - a)2/12
Slater customers are charged for the amount of salad they take. Sampling suggests that the amount of salad taken is uniform
Seventy efficieny apartments were randomly sampled in a small college town. The monthly rent prices for these apartments are:
Abs. Value
Data 445 440 465 450 600 570 510 615 440 450 470 485 515 575 430 440 525 490 580 450 490
zi -0.84 -0.93 -0.47 -
Seventy efficieny apartments were randomly sampled in a small college town. The monthly rent prices for these apartments are:
Abs. Value
Data 445 440 465 450 600 570 510 615 440 450 470 485 515 575 430 440 525 490 580 450 490
zi -0.84 -0.93 -0.47 -
The test scores for selected samples of sociology students who took the course from three different instructors are shown below.
Instructor A
83
60
80
85
71
Instructor B Instructor C
90
85
55
90
84
90
91
95
85
80
C) What conclusion(s) do you draw at the .