17) As the number of farms has decreased in the United States, the average size of the remaining farms has grown larger, as shown in the table. Year Average Acre Per Farm 1910 139 1920 149 1930 157 1940 175 1950 216 303 390 1959 1969 1978 449 462 487 1987 1997 a) Make a scatterplot of the data, letting x represent the number of years since 1900. b) Manually find a line of best fit in slope-intercept form. Write down the two points used to find this line. c) Use a graphing calculator to find the line of best fit. Round to the nearest hundredth if necessary. d) Predict the average acreage in 2000 and 2010. Round to the nearest whole number. e) What was the average acreage in 1810 (to the nearest integer)? Is this reasonable? Explain why or why not. 500 480 460 440 420 400 380 360 340 320 300 280 260 240 220 200 180 160 140 120 100 60 40 20 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100

17) As the number of farms has decreased in the United States, the average size of the remaining farms has grown larger, as shown in the table. Year Average Acre Per Farm 1910 139 1920 149 1930 157 1940 175 1950 216 303 390 1959 1969 1978 449 462 487 1987 1997 a) Make a scatterplot of the data, letting x represent the number of years since 1900. b) Manually find a line of best fit in slope-intercept form. Write down the two points used to find this line. c) Use a graphing calculator to find the line of best fit. Round to the nearest hundredth if necessary. d) Predict the average acreage in 2000 and 2010. Round to the nearest whole number. e) What was the average acreage in 1810 (to the nearest integer)? Is this reasonable? Explain why or why not. 500 480 460 440 420 400 380 360 340 320 300 280 260 240 220 200 180 160 140 120 100 60 40 20 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100

Name: 17) As the number of farms has decreased in the United States, the av
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Description: 17) As the number of farms has decreased in the United States, the average size of the remaining farms hasgrown larger, as shown in the table.Year Average Acre Per Farm1910139192014919301571940175195021619593031969390197844919874624871997a) Make a s

Calculus: Early Transcendentals

8th Edition

ISBN:9781285741550

Author:James Stewart

Publisher:James Stewart

Chapter1: Functions And Models

Section: Chapter Questions

Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...

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Sequence and Series

A sequence is defined as a collection of things. Series is defined to sum the things one by one in the sequence. It was invented by German mathematician Carl Friedrich Gauss.

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17) As the number of farms has decreased in the United States, the average size of the remaining farms has
grown larger, as shown in the table.
Year Average Acre Per Farm
1910
139
1920
149
1930
157
1940
175
1950
216
1959
303
1969
390
1978
449
1987
462
487
1997
a) Make a scatterplot of the data, letting x represent the number of years since 1900.
b) Manually find a line of best fit in slope-intercept form. Write down the two points used to find this line.
c) Use a graphing calculator to find the line of best fit. Round to the nearest hundredth if necessary.
d) Predict the average acreage in 2000 and 2010. Round to the nearest whole number.
e) What was the average acreage in 1810 (to the nearest integer)? Is this reasonable? Explain why or why
not.
5o0
480
460
440
420
400
380
360
340
320
300
280
260
240
220
200
180
160
140
120
100
80
60
40
20
10 15 20 25 30 35 40
45 50 55 60 65 70 75 80 85 90 95 100
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The data to the right shows the number of graduating students with business majors at a university over the last 15 years. 277 269 263 256 247 241 236 230 224 214 208 202 a. Construct a box-and-whisker plot for this data. b. Identify the five-number summary. 197 187 182 斯 a) Choose the correct box-and-whisker plot of the data below. C. O B. OA. 150 200 250 300 150 200 250 300 150 200 250 300 b) The five-number summary is (Use ascending order.)
The dot plot shows the grades received on a recent test. : 十 70 75 80 85 90 95 100 Question 1: What is the range of the data? Question 2: What is the median of the data? the mode of the data? Question 3: What is Question 4: What is the mean of the data?
Objective: Students will be able to 1) Create a box-and-whisker plot, 2) Interpret a box-and-whisker plot, and Identify cumulative frequency. How do I interpret a box-and-whisker plot? I 1. What does the x-axis show? Boys 2. What does the y-axis represent? 3. What does the length of Girls each of the lines (red and green) mean? 4. Does the size of the box 2. 8 10 12 14 16 18 20 22 24 Time (s) matter? How to create a box-and-whisker plot: To draw a box-and-whisker plot you need five pieces of information, called the five-number summary: the smallest value, the lower quartile (LQ), the median, the upper quartile (U0) and the largest value. An outlier is a value that is much smaller or much larger than the other values. An outlier is a point less than the LQ-1.5x 1QR or greater than the UQ+1.5xIQR.
Suppose a researcher collects data on the air pollution levels, measured in milligrams per cubic meter, for both urban and rural areas in 35 states. The data is plotted with urban air pollution levels on the horizontal axis and rural air pollution levels on the vertical axis. Nevada is an outlier in the ?x‑direction. What must be true about this state? The urban air pollution levels for this state are much higher or lower than the rest of the states in the data set. The rural air pollution levels for this state are much higher or much lower than the rest of the states in the data set. This state is an influential observation. The rural air pollution levels for this state are much higher or lower than other states in the data set that have similar urban air pollution levels. The absolute value of the residual of this state is large.
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