Brigham Young University-Idaho
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Nieuwste samenvattingen Brigham Young University-Idaho
Students in an Introductory Statistics class at BYU-Idaho were studying prices of 
cold cereal at grocery stores in Rexburg. To get a sample of cold cereal prices, they 
went to Albertson's and rolled a die to decide which box from the left of the top shelf 
they would start on. They then recorded every 6th cereal after the first, moving from 
left to right down the shelves, recording the name, size, and price of each cereal in 
their sample. Is this study an experiment or an observational stud...
- Tentamen (uitwerkingen)
- • 21 pagina's's •
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Brigham Young University-Idaho•MATH 221B
Voorbeeld 3 van de 21 pagina's
Students in an Introductory Statistics class at BYU-Idaho were studying prices of 
cold cereal at grocery stores in Rexburg. To get a sample of cold cereal prices, they 
went to Albertson's and rolled a die to decide which box from the left of the top shelf 
they would start on. They then recorded every 6th cereal after the first, moving from 
left to right down the shelves, recording the name, size, and price of each cereal in 
their sample. Is this study an experiment or an observational stud...
While you are required to work together on this quiz, each member of the group 
must submit his or her own answers in order to receive credit. 
If needed, here's a link to the Normal Probability Applet . 
You will need the following data set 
MathSelfE 
When calculating anything, please remember to round to three decimal places, 
unless otherwise specified. DO NOT ROUND until your calculation is complete.
- Tentamen (uitwerkingen)
- • 5 pagina's's •
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Brigham Young University-Idaho•MATH 221B
Voorbeeld 2 van de 5 pagina's
While you are required to work together on this quiz, each member of the group 
must submit his or her own answers in order to receive credit. 
If needed, here's a link to the Normal Probability Applet . 
You will need the following data set 
MathSelfE 
When calculating anything, please remember to round to three decimal places, 
unless otherwise specified. DO NOT ROUND until your calculation is complete.
Give the standard deviation of the sample distribution of p̂. 
Give your answers in decimal form and round to three 
decimal places. (Example: 0.398) 
0.018
- Tentamen (uitwerkingen)
- • 8 pagina's's •
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Brigham Young University-Idaho•MATH 221B
Voorbeeld 2 van de 8 pagina's
Give the standard deviation of the sample distribution of p̂. 
Give your answers in decimal form and round to three 
decimal places. (Example: 0.398) 
0.018
A public opinion poll surveyed a simple random sample of 1000 voters. 
Respondents were classified by gender (female or male) and by voting 
preference (Republican, Democrat, or Independent). The results are 
presented here: 
In this set of questions, we will explore the research question, “Do men’s 
voting preferences differ significantly from women’s voting preferences?” Use 
a level of significance of α=0.05.
- Tentamen (uitwerkingen)
- • 7 pagina's's •
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Brigham Young University-Idaho•MATH 221B
Voorbeeld 2 van de 7 pagina's
A public opinion poll surveyed a simple random sample of 1000 voters. 
Respondents were classified by gender (female or male) and by voting 
preference (Republican, Democrat, or Independent). The results are 
presented here: 
In this set of questions, we will explore the research question, “Do men’s 
voting preferences differ significantly from women’s voting preferences?” Use 
a level of significance of α=0.05.
Data was collected on homes for sale in Madison County as of January 2011. 
Information on the listings such as price, size of the home, and style were 
recorded. The data are recorded in MadisonCountyRealE . 
Create a scatterplot of the price of homes (ListPrice) compared with how old the 
homes are (Age). Select the answer that best describes the data illustrated in the 
scatterplot. 
Linear with a moderate negative association. Linear with a moderate positive association. Linear with a strong...
- Tentamen (uitwerkingen)
- • 6 pagina's's •
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Brigham Young University-Idaho•MATH 221B
Voorbeeld 2 van de 6 pagina's
Data was collected on homes for sale in Madison County as of January 2011. 
Information on the listings such as price, size of the home, and style were 
recorded. The data are recorded in MadisonCountyRealE . 
Create a scatterplot of the price of homes (ListPrice) compared with how old the 
homes are (Age). Select the answer that best describes the data illustrated in the 
scatterplot. 
Linear with a moderate negative association. Linear with a moderate positive association. Linear with a strong...
Bringing Balance to the Framework
- Case uitwerking
- • 7 pagina's's •
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Brigham Young University-Idaho•FAML 160
Voorbeeld 2 van de 7 pagina's
Bringing Balance to the Framework
Study Plan in Brigham Young University
- Essay
- • 7 pagina's's •
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Brigham Young University-Idaho•FAML 160
Voorbeeld 2 van de 7 pagina's
Study Plan in Brigham Young University
W03 Field Report Hemisphere Fact Check
- Case uitwerking
- • 3 pagina's's •
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Brigham Young University-Idaho•FAML 160
Voorbeeld 1 van de 3 pagina's
W03 Field Report Hemisphere Fact Check