find a 90% confidence interval for y when x=.332. (Use two decimal places) lower limit =__% upper limit=__% use a 1% level of significance to test the claim that b is not equal to 0.(use 2 decimal places) t= crictical t+- find a 90% confidence interval for b and interpret its meaning. ( use 2 decimal places) lower limit= upper limit=
Let x be A random variable that represents the batting average of a professional baseball player. What would be a random variable that represents a percentage of strikeouts of a professional baseball player. A random sample of N equals six professional baseball players gave the following information.
x .342 .290 .340 .248 .36$ .269
y 2.8 7.6 4.0 8.6 3.1 11.1
Σx=1.856 Σy=37.2 Σx2=.585218 Σy2=288.38 Σxy= 10.778 r=-.911
A) use a 1% level of significance to test the claim that p is not equal to 0. ( use 2 decimal places)
t=
critical t +-
Se= 1.5665 a= 26.530 b=-65.721
B) find the predicted percentage why of strikeouts for a player with an x=.332 batting average.(use two decimal places)
__%
find a 90% confidence interval for y when x=.332. (Use two decimal places)
lower limit =__%
upper limit=__%
use a 1% level of significance to test the claim that b is not equal to 0.(use 2 decimal places)
t=
crictical t+-
find a 90% confidence interval for b and interpret its meaning. ( use 2 decimal places)
lower limit=
upper limit=
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