A particular IQ test is standardized to a Normal model, with a mean of 100 and...

  

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A particular IQ test is standardized to a Normal model, with a mean of 100 and a standard deviation of 17. a) Choose the model for these IQ scores that correctly shows what the 68-95-99.7 rule predicts about the scores. O A O B. Q +20 + 20 +20 99% 7 151 TRA 49 66 83 100 117 134 15 b) In what interval would you expect the central 95% of the IQ scores to be found? Using the 68-95-99.7 rule, the central 95% of the IQ scores are between 66 and 134. (Type integers or decimals. Do not round.) c) About what percent of people should have IQ scores above 151? Using the 68-95-99.7 rule, about .15 % of people should have 1Q scores above 151. (Type an integer or a decimal. Do not round.) d) About what percent of people should have IQ scores between 66 and 83? Using the 68-95-99.7 rule, about % of people should have IQ scores between 66 and 83. (Type an integer or a decimal. Do not round.) 64% ** 20 9% H 30 161 OK A particular IQ test is standardized to a Normal model, with a mean of 100 and a standard deviation of 17. a) Choose the model for these IQ scores that correctly shows what the 68-95-99.7 rule predicts about the scores. O A O B. Q +20 + 20 +20 99% 7 151 TRA 49 66 83 100 117 134 15 b) In what interval would you expect the central 95% of the IQ scores to be found? Using the 68-95-99.7 rule, the central 95% of the IQ scores are between 66 and 134. (Type integers or decimals. Do not round.) c) About what percent of people should have IQ scores above 151? Using the 68-95-99.7 rule, about .15 % of people should have 1Q scores above 151. (Type an integer or a decimal. Do not round.) d) About what percent of people should have IQ scores between 66 and 83? Using the 68-95-99.7 rule, about % of people should have IQ scores between 66 and 83. (Type an integer or a decimal. Do not round.) 64% ** 20 9% H 30 161 OK A particular IQ test is standardized to a Normal model, with a mean of 100 and a standard deviation of 17. a) Choose the model for these IQ scores that correctly shows what the 68-95-99.7 rule predicts about the scores. O A O B. Q +20 + 20 +20 99% 7 151 TRA 49 66 83 100 117 134 15 b) In what interval would you expect the central 95% of the IQ scores to be found? Using the 68-95-99.7 rule, the central 95% of the IQ scores are between 66 and 134. (Type integers or decimals. Do not round.) c) About what percent of people should have IQ scores above 151? Using the 68-95-99.7 rule, about .15 % of people should have 1Q scores above 151. (Type an integer or a decimal. Do not round.) d) About what percent of people should have IQ scores between 66 and 83? Using the 68-95-99.7 rule, about % of people should have IQ scores between 66 and 83. (Type an integer or a decimal. Do not round.) 64% ** 20 9% H 30 161 OK A particular IQ test is standardized to a Normal model, with a mean of 100 and a standard deviation of 17. a) Choose the model for these IQ scores that correctly shows what the 68-95-99.7 rule predicts about the scores. O A O B. Q +20 + 20 +20 99% 7 151 TRA 49 66 83 100 117 134 15 b) In what interval would you expect the central 95% of the IQ scores to be found? Using the 68-95-99.7 rule, the central 95% of the IQ scores are between 66 and 134. (Type integers or decimals. Do not round.) c) About what percent of people should have IQ scores above 151? Using the 68-95-99.7 rule, about .15 % of people should have 1Q scores above 151. (Type an integer or a decimal. Do not round.) d) About what percent of people should have IQ scores between 66 and 83? Using the 68-95-99.7 rule, about % of people should have IQ scores between 66 and 83. (Type an integer or a decimal. Do not round.) 64% ** 20 9% H 30 161 OK A particular IQ test is standardized to a Normal model, with a mean of 100 and a standard deviation of 17. a) Choose the model for these IQ scores that correctly shows what the 68-95-99.7 rule predicts about the scores. O A O B. Q +20 + 20 +20 99% 7 151 TRA 49 66 83 100 117 134 15 b) In what interval would you expect the central 95% of the IQ scores to be found? Using the 68-95-99.7 rule, the central 95% of the IQ scores are between 66 and 134. (Type integers or decimals. Do not round.) c) About what percent of people should have IQ scores above 151? Using the 68-95-99.7 rule, about .15 % of people should have 1Q scores above 151. (Type an integer or a decimal. Do not round.) d) About what percent of people should have IQ scores between 66 and 83? Using the 68-95-99.7 rule, about % of people should have IQ scores between 66 and 83. (Type an integer or a decimal. Do not round.) 64% ** 20 9% H 30 161 OK A particular IQ test is standardized to a Normal model, with a mean of 100 and a standard deviation of 17. a) Choose the model for these IQ scores that correctly shows what the 68-95-99.7 rule predicts about the scores. O A O B. Q +20 + 20 +20 99% 7 151 TRA 49 66 83 100 117 134 15 b) In what interval would you expect the central 95% of the IQ scores to be found? Using the 68-95-99.7 rule, the central 95% of the IQ scores are between 66 and 134. (Type integers or decimals. Do not round.) c) About what percent of people should have IQ scores above 151? Using the 68-95-99.7 rule, about .15 % of people should have 1Q scores above 151. (Type an integer or a decimal. Do not round.) d) About what percent of people should have IQ scores between 66 and 83? Using the 68-95-99.7 rule, about % of people should have IQ scores between 66 and 83. (Type an integer or a decimal. Do not round.) 64% ** 20 9% H 30 161 OK

Answer rating: 100% (QA)

Solution Mean 100 sd 17 As per Empirical rule Approx 6... View the full answer