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Estimating the forecast value using 3-month moving average method.
The Saki motorcycle dealer in the Minneapolis-St. Paul area wants to make an accurate forecast of demand for the Saki Super TXII motorcycle during the next month. Because the manufacturer is in Japan, it is difficult to send motorcycles back or reorder if the proper number is not ordered a month ahead. From sales records, the dealer has accumulated the following data for the past year:
Month Sales
Motorcycle
January
9
February
7
March
10
April
8
May
June
12
July
August
11
September
October
November
14
December
16
Compute a 3-month moving average forecast of demand for April through January (of the next year).
Determine the probability of choosing the area code at random which ends in the odd number if first digit cannot be 1 or 0?
For a new HDTV the mean number of months until repairs are needed is 36.84 with a standard deviation of 3.34 months.
What was the success probability of each O-ring?
Run an ANOVA using only groups 1 to 6 (You can hide group 7 from the analysis by data followed by select cases and then you filter out group 7 by if GROUP~= ). Also run the posthoc tests LSD and Bonferroni.
Do students tend to improve their SAT Mathematics (SAT-M) score the second time they take the test? A random sample of four students who took the test twice received the following scores
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The researchers planned to use simple linear regression to see if the age at which a baby was first able to crawl could be predicted from the average outdoor temperature six months after each baby's birthdate.
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Find at least what percentage of all homeowners in this city pay a monthly mortgage of 865 to 1,675.00.
The probability that the daily demand at this store is at least one and at most three is:
Let p represent the proportion of registered voters in the state that would vote for the Republican candidate. The standard error for the proportion of those who phoned in who answered "yes" is
A savings account was opened for a baby on 1985 with a $100 deposit. No withdrawals or deposits occurred since the account was opened. The current balance of the account is $246.47. Measured in dollars of the year in which the account was opened, how..
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