The sampling distribution for is actually the distribution of possible sampling error for samples of a given size selected at random from the population.
Indicate whether the statement is true or false
Q. 2A university recently collected data for a sample of 200 business majors. One variable collected was the number of credits left to be taken before graduation. This variable could effectively be displayed using a line chart.
Indicate whether the statement is true or false
Q. 3Write a brief note on integer optimization models with binary variables.
What will be an ideal response?
Q. 4The population of soft drink cans filled by a particular machine is known to be normally distributed with a mean equal to 12 ounces and a standard deviation equal to .25 ounce.
Given this information, the sampling distribution for a random sample of n = 25 cans will also be normally distributed with a mean equal to 12 ounces and a standard deviation equal to .05 ounce. Indicate whether the statement is true or false
Q. 5Suppose that an internal report submitted to the managers at a bank in Boston showed that with 95 percent confidence, the proportion of the bank's customers who also have accounts at one or more other banks is between .45 and .51.
Given this information, what sample size was used to arrive at this estimate?A) About 344
B) Approximately 1,066
C) Just under 700
D) Can't be determined without more information.
Q. 6In a scatter plot the points should always be connected with a line.
Indicate whether the statement is true or false
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