Question
In: Math
Use the data consisting of IQ score and brain volume (cm cubedcm3). Find the best predicted...
Use the data consisting of IQ score and brain volume
(cm cubedcm3).
Find the best predicted IQ score for someone with a brain volume of 1003 cm cubed. Use a significance level of 0.05.
Brain Volume IQ score
900 85
1275 102
936 102
1444 98
1473 112
1263 129
1090 93
1218 89
1324 89
1364 82
942 97
1490 129
1339 82
1159 85
1087 92
964 127
1138 113
1058 93
1365 96
1081 115
The regression equation is? ( round the x- coefficient five decimal places as needed. round the constant to two decimal places as needed.)
Solutions
milcah answered 1 year agoRelated Solutions
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x 0.75
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Find the indicated IQ score. The graph to the right depicts IQ
scores of adults, and those scores are normally distributed with a
mean of 100 and a standard deviation of 15 on right is graph
0.85.
Find the indicated IQ score. The graph to the right depicts IQ scores of adults, and...
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scores of adults, and those scores are normally distributed with a
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x
0.7
A graph with a bell-shaped curve, divided into 2 regions by a line
from top to bottom, on the left side. The region right of the line
is shaded and labeled 0.7. The x-axis below the line is labeled
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The indicated IQ score, x, is...
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the actual circumference of 6.0 cm? Use a significance level of
0.05.
_ Diameter Circumference
Baseball 7.3 22.9
Basketball 23.6 74.1
Golf 4.2 13.2
Soccer 21.8 68.5
Tennis 6.9 21.7
Ping-Pong 4.0 12.6
Volleyball 20.8 65.3
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(Round to five decimal places as...
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#19: Lemons and car crashes using the listed lemon/crash
data, find the best predicted crash fatality rate for a year in
which there are 500 metric tons of lemon imports. Is the
predication worthwhile?
Lemon Imports
230
265
358
480
530
Crash Fatality rate
15.9
15.7
15.4
15.3
14.9
Find the sample size necessary to estimate the mean IQ score of statistics students such that...
Find the sample size necessary to estimate the mean IQ score of
statistics students such that it can be said with 95% confidence
that the sample mean is plus or minus3 IQ points of the true mean.
Assume that the standard deviation is 15 and determine the required
sample size.
2)
In a survey of
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For a data set of brain volumes (cm3) and IQ scores of sevenseven males, the linear...
For a data set of brain volumes (cm3) and IQ scores of
sevenseven males, the linear correlation coefficient is
requals=0.9950.995. Use the table available below to find the
critical values of r. Based on a comparison of the linear
correlation coefficient r and the critical values, what do you
conclude about a linear correlation?
LOADING... Click the icon to view the table of critical values
of r.
The critical values are nothing.
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predictor (x) variable. Find the best predicted weight of a seal
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this case? Use a significance level of 0.05.
Overhead Width (cm)
8.2
8.1
9.7
8.6
9.8
8.9
Weight (kg)
156
182
241
171
241
210
The regression equation is
(Round to one decimal place as needed.)...
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predictor (x) variable. Find the best predicted weight of a seal
if the overhead width measured from a photograph is 2cm. Can the
prediction be correct? What is wrong with predicting the weight in
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Overhead Width (cm) 7.6 8.1
9.5 8.9 9.1 7.9
Weight
(kg)
142 193 244 193
224 179
The regression equation is y (with caret) =...
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