A random sample of 144 observations has a mean of 20, a median of 21, and a mode of 22 . The population standard deviation is known to equal 4.8 . The 95.44% confidence interval for the population mean is _____
a. 15.2 to 24.8
b. 19.2 to 20.8
c. 19.216 to 20.784
d. 21.2 to 22.8
b
You might also like to view...
The difference between accrual-based revenue and accrual-based expenses is called _________________________
Fill in the blank(s) with correct word
The U.S. government award for quality achievement is called the ________
Fill in the blanks with correct word
A market or industry with only one seller is referred to as
A. a limited command system. B. a monopoly. C. an oligopoly. D. monopolistic competition. E. a perfect competitive market.
The classical approach describes a probability:
a. in terms of the proportion of times an event is observed to occur in a very large number of trials. b. in terms of the degree to which one happens to believe that an event will happen. c. in terms of the proportion of times that an event can be theoretically expected to occur. d. is dependent on the law of large numbers. e. describes an event for which all outcomes are equally likely.