ess than and tim spent watch ng T.v At40.0ODl indicaks +he paramaur s Sianiicant

Question

ess than and tim spent watch ng T.v At40.0ODl indicaks +he paramaur s Sianiicant and not ult o be erpi.e. thu sope is not eamal to Zuro and thtima c. What is the predicted aggression level for children with a television score of 0.04 . IuS =a+bX more than q:0.000505 + 0.1 34a49 (0.0t predictes aag ression uvel is 02O.00L9 4. value found in (c): (-0.614, 0.626) and (-0.018, Two 95% 0.031). We want to estimate the average amount of aggression for children with a television score of 0.04. Identify and interpret the appropriate interval to use. [10] intervals were calculated based on the Q1-Q4 Output: -0.5 15 05 Parameter Estimates Intercept -0.000505 0.012278 09672 Television 0.1634249 0.039507

Explanation / Answer

The formula for conditional mean t interval is as follows:

yphat+-talpha/2.se sqrt[1/n+(xp-xbar)/Sxx], where, yphat=0.006, standard error of estimate, se=sqrt MSE=0.311, t is t critical at alpha/2 and n-2 degrees of freedom, n=sample size. xp=0.04, Sxx=sigma xi^2-(sigma xi)^2/n, where, x is television score, y is aggression level.

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