Gonzalez_Chapter_5-7_Marriage_Start
xlsx
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School
Germanna Community College *
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Course
MTH 154
Subject
Mathematics
Date
Feb 20, 2024
Type
xlsx
Pages
9
Uploaded by ChiefPorpoiseMaster191
Marriag
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escription: em, you will investigate both marriage and divorce rates for the United States per 1,000 people in the population. You will also provide the resu
Perform:
Instructions
Start Excel. Download and open the workbook named:
Chapter_5-7_Marriage_Start
In cell G12, determine how much the divorce rate will decrease per century. Format cell G12 as Number with 2 decimal places.
Note: Enter a single value to answer the question.
In cell F18, determine the slope of the marriage trendline. Format cell F18 as Number with 2 decimal places.
Note: Type the slope value exactly as it appears in the equation on the chart.
In cell G18, determine the y-intercept for the marriage trendline. Format cell G18 as Number with 2 decimal places.
Note: Type the y-intercept value exactly as it appears in the equation on the chart.
In cell G19, calculate the marriage rate in 2050. Format cell G19 as Number with 2 decimal places.
Note: Use cell references for your calculations.
In cell F23, determine the slope of the divorce trendline. Format cell F23 as Number with 2 decimal places.
Note: Type the slope value exactly as it appears in the equation on the chart.
In cell G23, determine the y-intercept for the divorce trendline. Format cell G23 as Number with 2 decimal places.
Note: Type the y-intercept value exactly as it appears in the equation on the chart.
In cell G24, calculate the divorce rate in 2050. Format cell G24 as Number with 2 decimal places.
Note: Use cell references for your calculations.
In cell G27, determine whether it is true that it is not possible for the divorce rate to be greater than the marriage rate in a given year because
Save your file and submit for grading.
In cells D32:K46, insert a Scatter Chart to show the marriage and divorce rates over the years given. Select range A9:C21. On the Insert tab, Charts tab, and then choose Scatter with the years on the horizontal axis and the rates per 1,000 on the vertical axis. Use cell references to B
Design tab. Add a chart title and choose the Above Chart option. Replace Chart Title with Marriage and Divorce Rates
. Add a vertical axis tit
per 1,000 people
. Add the linear trendlines for both rates. To add a linear trendline to the data on the chart, select any point on the chart and
Trendline Options window, select Linear with automatic trendline name and check "Display equation on chart". Drag it to any place on the cha
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Points Possible
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Marriage
Rates per 1,000 Population
Marriages
Divorces
1990
9.8
4.7
2000
8.3
4.1
2004
7.8
3.7
2005
7.5
3.6
a.) 5.77
2006
7.5
3.7
2007
7.3
3.6
2008
7.1
3.5
2009
6.8
3.5
Marriage
2010
6.8
3.6
Slope
Intercept
2011
6.8
3.6
b.) -0.13
270.25
2012
6.8
3.4
3.75
2013
6.8
3.3
2014
6.9
3.2
Divorce
Slope
Intercept
c.) -0.06
119.54
1.26
d.) False
a.)
The sprea
these, the
marriages
divorce ra
in divorce
year will b
a.) Creat
by filling
CENTUR
list:
a. Marria
b. rates p
b.) Type i
intercept
c.) Type intercept
d.) True people c
1985
1990
1995
2000
2005
2010
0
2
4
6
8
10
12
f(x) = − 0.057744055068836 x + 119.53728097622
f(x) = − 0.130976220275344 x + 270.249123904881
Marriage and Divorce rates
1985
1990
1995
2000
2005
2010
Marriages
Linear (Marriages)
Divorces
Linear (Divorces)
adsheet gives both marriage and divorce rates for the United States per 1,000 people in the population
e National Vital Statistics System http://www.cdc.gov/nchs/nvss/marriage_divorce_tables.htm
takes th
s or divorces in a given year and divides by the total population, and then rescales to a rate per 1,000. ates are roughly half of the marriage rates leads to the incorrect misperception that this means half of
e. Divorces in a given year could be anyone married before that year, while almost none of the people be divorced in that year.
te one scatterplot of both rates over the years given, insert trendline, and display equation. Interpret th
g in the blank in the following sentence: The divorce rate is decreasing by _________ divorces per 1,000
RY
. Answer should be a number to two decimal places. Include key. The axis label and the title should b
age and Divorce Rates
per 1,000 people
in the slope and -intercept for the marriage trendline exactly as they appear in the equation. Use the
𝑦
t for the marriage trendline to predict the marriage rate in 2050. Format to 2 decimal places.
in the slope and -intercept for the divorce trendline exactly as they appear in the equation. Use the s
𝑦
t for the divorce trendline to predict the divorce rate in 2050. Format to 2 decimal places.
or false
: It is not possible for the divorce rate to be greater than the marriage rate in a given year beca
can get divorced.
2015
2020
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2015
2020
)
n. To compute he number of The fact that the f all marriages end married in a given he divorce slope 0 people per be chosen from the e slope and -
𝑦
slope and -
𝑦
ause only married
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