When testing a hypothesis about a single mean, if the sample size is 200 and the
population standard deviation is known, the correct test statistic to use is _____
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Z
which of the following is not a component of the time series
trend
seasonal
cyclical
irregular
smoothing constant
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smoothing constant
____ is rejecting H0 when H0 is true
type 1 error
type 2 error
random error
standard deviation error
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Type 1 error
P(-1<z<1)
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.6826
All of the following are assumptions of the error terms in the simple linear regression
model except ____
errors are normally distributed
error terms have a mean of zero
error terms have a constant variance
error terms are dependent on each other
population standard deviation is known, the correct test statistic to use is _____
Give this one a try later!
Z
which of the following is not a component of the time series
trend
seasonal
cyclical
irregular
smoothing constant
, Give this one a try later!
smoothing constant
____ is rejecting H0 when H0 is true
type 1 error
type 2 error
random error
standard deviation error
Give this one a try later!
Type 1 error
P(-1<z<1)
Give this one a try later!
.6826
All of the following are assumptions of the error terms in the simple linear regression
model except ____
errors are normally distributed
error terms have a mean of zero
error terms have a constant variance
error terms are dependent on each other
