Mathematics, 30.03.2020 23:32, kenneth0125
An iq test is designed so that the mean is 100 and standard deviation is 13 for the population of normal adults. 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 with 4 iq points of the true mean. assume that standard deviation =13 and determine the required sample size using technology. then determine if this is a reasonable sample size for a real world calculation.
Answers: 3
Mathematics, 21.06.2019 23:50, dbag1162
The federal reserve controls certain interest rates in the united states. investors often try to speculate as to whether the federal reserve will raise or lower rates and by how much. suppose a company conducts extensive interviews with financial analysts, and as a result, predicts that "thefed" will increase rates by an average of 0.25 percentage points every six months for the forseeable future. which type of equation could be used to model the predicted interest rates over the next several years, assuming no other significant changes? a) a linear equation b) a quadratic equation c) a polynomial equation d) an exponential equation
Answers: 3
An iq test is designed so that the mean is 100 and standard deviation is 13 for the population of no...
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