Percentage of scores between 70 and 115 IQ Scores. For Exercises, sketch the normal distribution of IQ
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Percentage of scores between 70 and 115
IQ Scores. For Exercises, sketch the normal distribution of IQ scores, which has a mean of 100 and a standard deviation of 15, then shade the described area. Use Table A-1 to find the indicated quantities.
Table A-1
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TABLE A-1 Standard Normal (z) Distribution: Cumulative Area from the LEFT z .00 .01 .02 .03 .04 .05 -3.50 and lower .0001 -3.4 .0003 .0003 .0003 .0003 .0003 .0003 -3.3 .0005 .0005 .0005 .0004 .0004 .0004 -3.2 .0007 .0007 .0006 .0006 .0006 .0006 -3.1 .0010 .0009 .0009 .0009 .0008 .0008 -3.0 .0013 .0013 .0013 .0012 .0012 .0011 -2.9 .0019 .0018 .0018 .0017 .0016 .0016 -2.8 .0026 .0025 .0024 .0023 .0023 .0022 -2.7 .0035 .0034 .0033 .0032 .0031 .0030 -2.6 .0047 .0045 .0044 .0043 .0041 .0040 -2.5 .0062 .0060 .0059 .0057 .0055 .0054 -2.4 .0082 .0080 .0078 .0075 .0073 .0071 -2.3 .0107 .0104 .0102 .0099 .0096 .0094 -2.2 .0139 .0136 .0132 .0129 .0125 .0122 -2.1 .0179 .0174 0170 .0166 0162 .0158 -2.0 .0228 .0222 .0217 0212 .0207 .0202 -1.9 .0287 .0281 .0274 .0268 .0262 .0256 -1.8 .0359 .0351 .0344 .0336 .0329 .0322 -1.7 .0446 .0436 .0427 .0418 .0409 .0401 .06 .0003 .0004 .0006 .0008 .0011 .0015 .0021 .0029 .0039 .0052 .0069 .0091 .0119 .0154 .0197 .0250 .0314 .0392 .07 .0003 .0004 .0005 .0008 .0011 .0015 .0021 .0028 .0038 .0051 .0068 .0089 .0116 .0150 .0192 .0244 .0307 .0384 .08 .0003 .0004 .0005 .0007 .0010 .0014 .0020 .0027 .0037 .0049 .0066 .0087 .0113 .0146 .0188 .0239 .0301 .0375 .09 .0002 .0003 .0005 .0007 .0010 .0014 .0019 .0026 .0036 .0048 .0064 .0084 .0110 .0143 0183 .0233 .0294 .0367
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Statistical Reasoning For Everyday Life
ISBN: 978-0134494043
5th Edition
Authors: Jeff Bennett, William Briggs, Mario Triola
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