statistics multiple choice questions
TRANSCRIPT
4/16/12 10:14 AMStatistics Multiple Choice Questions
Page 1 of 16http://brainmass.com/business/accounting-business-analysis-financial-reporting/101588
About BrainMassJoin BrainMassSign-in
Business»Accounting/Business Analysis/Financial Reporting»Problem #101588
Search over 200,000 answers
Topic:
Business/Accounting/Business Analysis/Financial Reporting
This homework question:
Statistics Multiple Choice Questions
Question 1 Multiple ChoiceWhich of the following divides a group of data into four subgroups?
quartilespercentilesstandard deviationmedian
Question 2 Multiple ChoiceIf the standard deviation of a population is 9, the population variance is:
3921.3581
Question 3 Multiple ChoiceWhat is the median for the following numbers?
83544860
4/16/12 10:14 AMStatistics Multiple Choice Questions
Page 2 of 16http://brainmass.com/business/accounting-business-analysis-financial-reporting/101588
Question 4 Multiple ChoiceWhich of the following is not a measure of central tendency?
percentilequartilestandard deviationmode
Question 5 Multiple ChoiceWhat is 40th percentile of the following numbers?
3929.41723
Question 6 Multiple ChoiceWhat is the value of the coefficient of skewness for the following population of numbers?
1.040.560.970.28
Question 7 Multiple ChoiceConsider the following population of numbers. What is the z score for 6?
0.660.951.23+1.23
Question 8 Multiple ChoiceConsider the following grouped data. What is the sample variance of these data?
212.69208.9014.4514.58
Question 9 Multiple ChoiceWhat is the sample standard deviation of the following numbers?
3.422.9611.678.75
Question 10 Multiple ChoiceWhat is the mode for the following numbers?
3
4/16/12 10:14 AMStatistics Multiple Choice Questions
Page 3 of 16http://brainmass.com/business/accounting-business-analysis-financial-reporting/101588
456
Question 11 Multiple ChoiceSuppose data are normally distributed with a mean of 120 and a standard deviation of 30. Between whattwo values will approximately 68% of the data fall?
60 and 18090 and 15030 and 210105 and 135
Question 12 Multiple ChoiceThe interquartile range is which of the following?
the range of the middle 50% of the dataQ2the difference between any two quartilesthe square of the standard deviation
Question 13 Multiple ChoiceAccording to Chebyshev's theorem, if a population has a mean of 80 and a standard deviation of 35, atleast what proportion of the values lie between 30 and 130?
.35
.68
.49
.51
Question 14 Multiple ChoiceThe middle value of an ordered array of numbers is the
meanmedianmodemidpoint
Question 15 Multiple ChoiceConsider the following grouped data. What is the mode of these data?
16351520
Question 16 Multiple ChoiceThe sum of the deviations about the mean are always:
the rangethe standard deviation totalzero
4/16/12 10:14 AMStatistics Multiple Choice Questions
Page 4 of 16http://brainmass.com/business/accounting-business-analysis-financial-reporting/101588
positive
Question 17 Multiple ChoiceIf a distribution is abnormally tall and peaked, then is can be said that the distribution is:
mesokurticplatykurticleptokurticpyrokurtic
Question 18 Multiple ChoiceAccording to the empirical rule, approximately what percent of the data should lie within μ± 2σ?
68%75%95%99.7%
Question 19 Multiple ChoiceWhat is the first quartile of the following numbers?
5562.56570
Question 20 Multiple ChoiceWhat is the population variance of the following numbers?
3.3110.983.5812.81
Question 21 Multiple ChoiceWhich of the following describe the middle part of a group of numbers?
measures of central tendencymeasures of variabilitymeasures of shapemeasures of association
Question 22 Multiple ChoiceWhat is the coefficient of correlation for the following two variables?
.129
.205
.366
.491
Question 23 Multiple ChoiceThe mean of a distribution is 23, the median is 24, and the mode is 25.5. It is most likely that this
4/16/12 10:14 AMStatistics Multiple Choice Questions
Page 5 of 16http://brainmass.com/business/accounting-business-analysis-financial-reporting/101588
distribution is:
negatively skewedpositively skewedsymmetricalasymptotic
Question 24 Multiple ChoiceWhat is the mean of the following numbers?
12.5131110.3
Question 25 Multiple ChoiceThe mean of a distribution is 14 and the standard deviation is 5. What is the value of the coefficient ofvariation?
60.4%48.3%35.7%27.8%
Attachments to further explain the question:(this is not the answer)
Q3.doc
Preview of question attachmentsQ3.doc
quartiles
percentiles
standard deviation
median
3
9
21.35
4/16/12 10:14 AMStatistics Multiple Choice Questions
Page 6 of 16http://brainmass.com/business/accounting-business-analysis-financial-reporting/101588
81
What is the median for the following numbers?
83
54
48
60
percentile
quartile
standard deviation
mode
What is 40th percentile of the following numbers?
39
29.4
17
23
4/16/12 10:14 AMStatistics Multiple Choice Questions
Page 7 of 16http://brainmass.com/business/accounting-business-analysis-financial-reporting/101588
What is the value of the coefficient of skewness for the followingpopulation of numbers?
1.04
0.56
0.97
0.28
Consider the following population of numbers. What is the z score for6?
0.66
0.95
1.23
+1.23
Consider the following grouped data. What is the sample variance ofthese data?
212.69
208.90
14.45
14.58
4/16/12 10:14 AMStatistics Multiple Choice Questions
Page 8 of 16http://brainmass.com/business/accounting-business-analysis-financial-reporting/101588
What is the sample standard deviation of the following numbers?
3.42
2.96
11.67
8.75
What is the mode for the following numbers?
3
4
5
6
60 and 180
90 and 150
30 and 210
105 and 135
the range of the middle 50% of the data
4/16/12 10:14 AMStatistics Multiple Choice Questions
Page 9 of 16http://brainmass.com/business/accounting-business-analysis-financial-reporting/101588
Q2
the difference between any two quartiles
the square of the standard deviation
.35
.68
.49
.51
mean
median
mode
midpoint
Consider the following grouped data. What is the mode of these data?
16
35
15
20
4/16/12 10:14 AMStatistics Multiple Choice Questions
Page 10 of 16http://brainmass.com/business/accounting-business-analysis-financial-reporting/101588
the range
the standard deviation total
zero
positive
mesokurtic
platykurtic
leptokurtic
pyrokurtic
68%
75%
95%
99.7%
What is the first quartile of the following numbers?
55
4/16/12 10:14 AMStatistics Multiple Choice Questions
Page 11 of 16http://brainmass.com/business/accounting-business-analysis-financial-reporting/101588
62.5
65
70
What is the population variance of the following numbers?
3.31
10.98
3.58
12.81
measures of central tendency
measures of variability
measures of shape
measures of association
What is the coefficient of correlation for the following two variables?
.129
.205
.366
4/16/12 10:14 AMStatistics Multiple Choice Questions
Page 12 of 16http://brainmass.com/business/accounting-business-analysis-financial-reporting/101588
.491
negatively skewed
positively skewed
symmetrical
asymptotic
What is the mean of the following numbers?
12.5
13
11
10.3
kdT
kdâ„–
愀Ĥ„欀ç¤
9
:
Ñ—
4/16/12 10:14 AMStatistics Multiple Choice Questions
Page 13 of 16http://brainmass.com/business/accounting-business-analysis-financial-reporting/101588
Ð
Б
Ð’
Г
Д
Е
Ж
-Г
Д
Е
kd
D
E
F
G
T
U
_
`
t
u
{
|
}
~
4/16/12 10:14 AMStatistics Multiple Choice Questions
Page 14 of 16http://brainmass.com/business/accounting-business-analysis-financial-reporting/101588
‹
Ќ
Ñ›
ÐŽ
Ñž
¤
Ò
ш
щ
H
T
U
_
_
`
t
u
{
щ
ÑŠ
Ñ‹
I
I
Ј
I
4/16/12 10:14 AMStatistics Multiple Choice Questions
Page 15 of 16http://brainmass.com/business/accounting-business-analysis-financial-reporting/101588
I
Ј
Ј
Ј
60.4%
48.3%
35.7%
27.8%
Instantly Download
This Answer Includes:
Plain textCited sources when necessaryAttached file(s)
MCQ - Mean median mode.doc
Written by Business expert:
Rohtas Kumar, MBAMore info
View Sample SolutionsView FAQ
4/16/12 10:14 AMStatistics Multiple Choice Questions
Page 16 of 16http://brainmass.com/business/accounting-business-analysis-financial-reporting/101588
Search over 200,000 answers
Business·Economics·Mathematics·Statistics·Sciences·Arts·More
Legal Terms and Conditions·Privacy Policy·Copyright Notification Policy·Non-Payment Policy·Reference Desk·Advertise on BrainMass·Contact Us
©2004-2012 BrainMass Inc.