Question
Asked Sep 21, 2019
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how do you construct scatter plots for bivariate data?

an example would help.

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Expert Answer

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Step 1

Bivariate data is data with two variables. A Scatter plot is plotted to identify the relationship between any two variables. The table below gives the average weight (in kilograms) of certain people ages 1–20. 

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A В 1 Age Weight 1 9.2 2 2 12 14.2 3 4 15.4 4 5 17.9 6 6 19.9 7 7 22.4 8 25.8 8 9 28.1 10 10 31.9 11 11 36.9 12 12 41.5 13 13 45.8 14 47.6 14 15 15 52.1 16 16 53.5 17 54.4 17 18 18 56.7 19 19 57.1 20 20 58 21 1о co

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Step 2

 Variable \\\'Age\\\' is the explanatory variable ie it explains or predicts the difference in response variable \\\'weight\\\'. Explanatory variables are generally plotted on x-axis in a scatter plot.

To obtain scatter plot, go to excel sheet and select the data table shown above. Then click on Insert > Charts>Scatter  to see the plot.

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Book acel Page Layout Tel me what you wart to dor Fle Fomulas Data Review Help Homer insert Vw RecommenrM Ms Ph Une Cokumn Wnh Lass Pattable Recommended Table Pivotables ustations c Te OMyAdd Map Ohats Scater Spak Apt-m Tu 12 142 154 17.9 199 224 Butle 7 25.8 10 28.1 10 31.9 369 11 MSc C 1 12 12 415 45.8 14 14 15 476 52.1 53.5 544 15 16 16 13 18 18 56.7 19 19 57.1 20 20 27 24 26 Shest

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Step 3

In the scatterplot, if the points lie along the straight line then there exists a linear relationship between the variab...

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Weight Series "Weight Fill Outline 60 Delete 50 Reset to Match Style 40 Change Series Chart Type... Select Data... 3-D Rotation.. 30 10 Add Data Labels Add Trendline.. 0 10 15 Eormat Data Series.. Scatter plot un 70 20 O

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