QNT 275-A researcher wants to test if the mean
Question # 00557916
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Updated on: 07/07/2017 11:56 PM Due on: 07/08/2017
A researcher wants to test if the mean annual salary of all lawyers in a city is different than $110,000. The null hypothesis for this example will be that the population mean is:
- ?greater than to $110,000
- not equal to $110,000
- ?less than to $110,000
- ?equal to $110,000
A qualitative variable is the only type of variable that:?
- ?cannot be graphed
- ?can assume an uncountable set of values
- ?can assume numerical values
- ?cannot be measured numerically
You toss a coin nine times and observe 3 heads and 6 tails. This event is a:
- ?multiple outcome
- ?multinomial sample point
- simple event
- ?compound event
Which of the following pairs of events are mutually exclusive?
- ?Female and male
- No and yes
- ?Female and yes
- ?Female and no
Thep-value is the:
- ?smallest significance level at which the null hypothesis can be rejected
- ?smallest significance level at which the null hypothesis can be rejected
- ?largest significance level at which the null hypothesis can be rejected
- ?largest significance level at which the alternative hypothesis can be rejected
?Which of the following assumptions is not required to use ANOVA?
- ?The populations from which the samples are drawn have the same variance.
- ?The populations from which the samples are drawn are (approximately) normally distributed.
- ?The samples drawn from different populations are random and independent.
- ?All samples are of the same size.
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Solution: QNT 275-A researcher wants to test if the mean