model tor baseball team data for n-200 pelow were odtalned nd. Var intercept wak
ID: 3046233 • Letter: M
Question
model tor baseball team data for n-200 pelow were odtalned nd. Var intercept waks () Singles( 391 0.35 044 7.15 0.05 0.05 nd. Var Doubles 3 Triples (4) Home Runs 0.04 023 004 0.64 1.07 a. Write the least equares prediction equation for y-botal number of runs scored by a team In a eo (Type Integers or declmals.) b. interpret, practically, had 1 n te model. Which statement below best Interprets Po? For a decrease of 1 Inany varlable, the runs scored changes by po OB. For a change or fo In any variable, the runs soored Increases by 1. OC. For a change of po In any variadle, the runs scored cecreases by 1 OD. Foranncrease of 1 nanyvartable, te nns s cored Changes by E. This parameter does not have a practical Interpretation. mich statement below best Interprets ? OA. O B. For a cange of .nte numer orwakste nns scored increases by 1. Foranncrease of Inte numerotwakste runs scored Changes by Pr C. For a cage of .nte number ofwakste nns scored decreases by 1. OD. For a decrease of Inte number ofwaks, the rns soored charges by 1 E. This parameter does not have a practical Interpretation C.Conduct a test ofHo-Ps.oaganst H, 3:-Oat"005. The teet statietic ls Round to three declmal places as needed) The palue ls Round to three declmal places as needed) |the null hypotesis There! ·sunclent endence to supporttre alternate mypotesis d. Form a 95% cont dence intenal forps interpret the results Round to three declmal places as needed) nterpret tnls Inteval. Type a whole number.)Explanation / Answer
a)
y^ = 3.91 + 0.35 x1 + 0.44 x2 + 0.64 x3 + 1.07 x4 + 1.47 x5
b)
b0^
E) is correct
b1^
B) is correct
c)
TS = 0.64/0.04 = 16
p-value = 0.0000
reject the null hypothesis , there is sufficient evidence
d)
(0.44 - 1.96 * 0.05 , 0.44 + 1.96 * 0.05 )
= (0.342,0.538)
95 % confident
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