The following data was collected from a simple random sample of a population. 13 15 14 16 12 The point estimate of the population standard deviation is
a. 2.500
b. 1.581
c. 2.000
d. 1.414
b
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What were the total sales of the Deluxe model? Sales of Toaster Ovens 2011 2012 2013 2014 2015 Super Deluxe$131,700 $128,300 $134,200 $119,400 $45,800 Deluxe56,100 123,500 83,100 115,500 51,400 Standard104,400 49,400 61,700 53,500 88,200
A. $557,400 B. $429,600 C. $357,200 D. $470,300
Your firm intends to finance the purchase of a new construction crane. The cost is $1,500,000. What is the size of the annual ordinary annuity payment if the loan is amortized over a ten-year period at a rate of 8.50%?
A) $228,611.56 B) $127,500.00 C) $3,391,475.16 D) There is not enough information to answer this question.
It is possible that the data points close to a curve have a correlation close to 0, because correlation is relevant only for measuring linear relationships
a. True b. False Indicate whether the statement is true or false
Which of the following is a technique for optimizing the internal performance of the relational data model?
A) Avoiding indexes on secondary keys B) Clustering data C) Not reporting statistics to save machine resources D) Using random index organizations