1. The total number of Corona cases in the US, please keep in mind it is a running total.Courtesy of worldometers.infoDate in 2020Feb. 15Feb. 26Day (Number of Corona Cases (C)1151268Mar. 823541Mar. 193414,896171,655517,100835,5591,170,3011,443,6271,704,1121,942,7372,187,7742,556,7183,109,7593,849,0894,588,252Mar. 3045Apr10.Apг. 21May 2May 13May 24June 456677889100111122June 15June 26133July 7July 18144155July 29Aug. 91661775,228,7385,771,2056,239,373Aug. 20188Aug. 31Sept. 11Sept. 221992106,673,4512217,109,730a. Let C be the total number of Corona Virus cases in the United States by the end ofthe t days since Feruary 14, 2020. (Let t = 0 represent Feb. 15, 2020.) Create ascatter plot of the data. Take up the entire piece of graph paper. Make sure to labelthe axes, and title your graph.b. Does it look linear? Exponential, Quadratic?c. Use the calculator to find the regression equation for this data. Express the equationas a function, Cit) = a b.Include screen shots of your data list entered, scatter plot on the calculator and theregression equation screend. State a for both equations. What does it represent/mean in this context?e. State b for both equations. What does it represent/mean in this context?f. Estimate the total number of cases in the US by the end of the year, Dec. 31, 2020.Remember t = O is February 14, 2020

Answered: The total number of Corona cases in the…

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.6: Summarizing Categorical Data

Problem 33PPS

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1. The total number of Corona cases in the US, please keep in mind it is a running total.
Courtesy of worldometers.info
Date in 2020
Feb. 15
Feb. 26
Day (
Number of Corona Cases (C)
1
15
12
68
Mar. 8
23
541
Mar. 19
34
14,896
171,655
517,100
835,559
1,170,301
1,443,627
1,704,112
1,942,737
2,187,774
2,556,718
3,109,759
3,849,089
4,588,252
Mar. 30
45
Apr10.
Apг. 21
May 2
May 13
May 24
June 4
56
67
78
89
100
111
122
June 15
June 26
133
July 7
July 18
144
155
July 29
Aug. 9
166
177
5,228,738
5,771,205
6,239,373
Aug. 20
188
Aug. 31
Sept. 11
Sept. 22
199
210
6,673,451
221
7,109,730
a. Let C be the total number of Corona Virus cases in the United States by the end of
the t days since Feruary 14, 2020. (Let t = 0 represent Feb. 15, 2020.) Create a
scatter plot of the data. Take up the entire piece of graph paper. Make sure to label
the axes, and title your graph.
b. Does it look linear? Exponential, Quadratic?
c. Use the calculator to find the regression equation for this data. Express the equation
as a function, Cit) = a b.
Include screen shots of your data list entered, scatter plot on the calculator and the
regression equation screen
d. State a for both equations. What does it represent/mean in this context?
e. State b for both equations. What does it represent/mean in this context?
f. Estimate the total number of cases in the US by the end of the year, Dec. 31, 2020.
Remember t = O is February 14, 2020

Expert Solution

Step 1

Hello! As you have posted more than 3 sub parts, we are answering the first 3 sub-parts. In case you require the unanswered parts also, kindly re-post that parts separately.

Steps to construct scatter plot in Excel:

Enter the data for t and C in Excel sheet
Select the columns of t and C.
Go to Insert menu.
Click on “Insert scatter or bubble chart” option.
Select Scatter under Charts.

Excel Output:

From the scatter plot, the best fit for the data is polynomial model.

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