can you help me answer this questions: 1-A moving average is the average of the observations in the past few periods, where the number of terms in the average is the span. True False 2- All nominal data may be treated as ordinal data. False True 3 - Phone numbers, Social Security numbers, and zip codes are typically treated as numerical variables. True False 4 - Correlation is useful only for: a.measuring the strength of a linear relationship. b.conveying the same information in a simpler format than a scatterplot. c.measuring the strength of a nonlinear relationship. d.assessing the weakness of a linear relationship. 5 - Which of the following will give the value for the third quartile? a. QUARTILE.INC(array, 0.25) b.QUARTILE.INC(array, 0.75) c. PERCENTILE.INC(array, 0.75) d.DECILE.INC(array, 0.30) 6 - _______ sampling applies to populations that are divided into natural subsets and allocates the appropriate proportion of samples to each subset. a.Systematic b.Stratifiedc.Cluster d.Continuous process 7 - Null hypothesis is x >4, what is alternative hypothesis? a.X≠4 b.X>4 c.X≤4 d.X<4 8 - A regression model that involves a single independent variable is called a.unit regression b.individual regression c.simple regression d. single regression 9 - The correlation between two variables is unitless and always between –1 and +1. True False and the last question is 10 - To help explain or predict the response variable in every regression study, we use one or more explanatory variables. These variables are also called response variables or independent variables. True False .
can you help me answer this questions: 1-A moving average is the average of the observations in the past few periods, where the number of terms in the average is the span. True False 2- All nominal data may be treated as ordinal data. False True 3 - Phone numbers, Social Security numbers, and zip codes are typically treated as numerical variables. True False 4 - Correlation is useful only for: a.measuring the strength of a linear relationship. b.conveying the same information in a simpler format than a scatterplot. c.measuring the strength of a nonlinear relationship. d.assessing the weakness of a linear relationship. 5 - Which of the following will give the value for the third quartile? a. QUARTILE.INC(array, 0.25) b.QUARTILE.INC(array, 0.75) c. PERCENTILE.INC(array, 0.75) d.DECILE.INC(array, 0.30) 6 - _______ sampling applies to populations that are divided into natural subsets and allocates the appropriate proportion of samples to each subset. a.Systematic b.Stratifiedc.Cluster d.Continuous process 7 - Null hypothesis is x >4, what is alternative hypothesis? a.X≠4 b.X>4 c.X≤4 d.X<4 8 - A regression model that involves a single independent variable is called a.unit regression b.individual regression c.simple regression d. single regression 9 - The correlation between two variables is unitless and always between –1 and +1. True False and the last question is 10 - To help explain or predict the response variable in every regression study, we use one or more explanatory variables. These variables are also called response variables or independent variables. True False .
Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter2: Introduction To Spreadsheet Modeling
Section: Chapter Questions
Problem 20P: Julie James is opening a lemonade stand. She believes the fixed cost per week of running the stand...
Related questions
Question
can you help me answer this questions:
1-A moving average is the average of the observations in the past few periods, where the number of terms in the average is the span.
True
False
2- All nominal data may be treated as ordinal data.
False
True
3 - Phone numbers, Social Security numbers, and zip codes are typically treated as numerical variables.
True
False
4 - Correlation is useful only for:
a.measuring the strength of a linear relationship.
b.conveying the same information in a simpler format than a scatterplot.
c.measuring the strength of a nonlinear relationship.
d.assessing the weakness of a linear relationship.
5 - Which of the following will give the value for the third quartile?
a. QUARTILE.INC(array, 0.25)
b.QUARTILE.INC(array, 0.75)
c. PERCENTILE.INC(array, 0.75)
d.DECILE.INC(array, 0.30)
6 - _______ sampling applies to populations that are divided into natural subsets and allocates the appropriate proportion of samples to each subset.
a.Systematic
b.Stratified
c.Cluster
d.Continuous process
7 - Null hypothesis is x >4, what is alternative hypothesis?
a.X≠4
b.X>4
c.X≤4
d.X<4
8 - A regression model that involves a single independent variable is called
a.unit regression
b.individual regression
c.simple regression
d. single regression
9 - The correlation between two variables is unitless and always between –1 and +1.
True
False
and the last question is
10 - To help explain or predict the response variable in every regression study, we use one or more explanatory variables. These variables are also called response variables or independent variables.
True
False
.
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