Question 1

Type 2 error is when the null hypothesis is right but the test rejects it.

Group of answer choices

True

No answer text provided.

No answer text provided.

False

Question 2

For a given sample, if the null hypothesis is not rejected at the 5% level of significance, it

Group of answer choices

will never be rejected at the 1% level

will always be rejected at the 1% level

None of these answers.

will sometimes not be accepted at the 1% level

there is insufficient information to say what will happen at the 1% level

Question 3

Which of the following statement about forecasting errors is correct?

Group of answer choices

MPE is not sensitive to under or over forecasts relative to the true values.

MAPE is sensitive to under or over forecasts relative to the true values.

None of these answers.

MSE is more sensitive to large forecast errors than MAD.

MAD is more sensitive to large forecast errors than MSE

Question 4 1 pts The following partially completed table contains monthly volatility of banking stocks from Jun to Aug. Calculate the level and trend parameters in Holt's method for Aug with a = 0.4 and = 0.2. Keep two decimals in all calculation. Month Volatility (%) Lt TH June 6.72 6.72 0 July 7.52 Aug 8.20 LAug = 6.43, Taug = 0. None of these answers. O LAug = 7.04, Taug = 0.06. O LAug = 7.37, TAug = 0.12. O LAug = 6.86, TAug = 0.08