- A Particular Iq Test Is Standardized To A Normal Model With A Mean Of 100 And A Standard Deviation Of 15 Oa Goo Ob B I 1 (23.04 KiB) Viewed 13 times
a) which is the correct model for these IQ scores that correctly shows what the 68–95–99.7 rule predicts about the scores.
b) in what interval would you expect the central 68% of the IQ scores to be found?
c) about what percent of people should have IQ scores above 130?
d) about what percent of people should have IQ scores between 55 and 70?
E) about what percent of people should have IQ scores above 145?
this is all using the 68–95–99.7 rule
A particular IQ test is standardized to a Normal model, with a mean of 100 and a standard deviation of 15 OA GOO OB b) in what interval would you expect the central 68% of the IQ scores to be found? Using the 68-95-99.7 rule, the central 68% of the IQ scores are between and (Type integers or decimals. Do not round) c) About what percent of people should have IQ scores above 130? Using the 68-96-99.7 rule, about% of people should have IQ scores above 130. (Type an integer or a decimal. Do not round.) d) About what percent of people should have IQ scores between 55 and 707 Using the 68-95-99.7 rule, about % of people should have 10 scores between 55 and 70. (Type an integer or a decimal. Do not round) e) About what percent of people should have 10 scores above 1457 Lising the 68-95-99.7 nule, about % of people should have 10 scores above 145. (Type an integer or a decimal. Do not round) 60 ос