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In the 2011 federal election, 30.6% of the electorate voted for the New Democratic Party (NDP).(a) A year later, a national poll of 1836 respondents indicated that 36% support the NDP. Test whether this is sufficient evidence to show that the NDP support has increased since the election. Use the .05 level of significance and show your manual calculations.
(b) Suppose you wanted to estimate the national level of support for the NDP using a 95% confidence interval with a margin of error of 1%. What sample size would be required?
(c) Suppose that, in a random sample of 17 University of Ottawa students from Quebec, 8 indicated a preference for the NDP. Test whether this is sufficient evidence to indicate that the level of support for the NDP among U of O students from Quebec is higher than 30.6%. Use the .05 level of significance and show your manual calculations. Why does this not allow us to infer anything about the national level of support for the NDP?
A simple random sample of n = 300 full-time workers is selected from a company list containing the names of all n = 5000 full-time workers in order to evaluate job satisfaction. Gi
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Hugh Snore Bedding, Inc. has assets of $400,000 and turns over its assets 1.5 times per year. Return on assets is 12%. What is its profit margin (return on sales)?
when does the mode is said to be ill defined?
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Clearing account An account used to build up entire charges, credits so that they can be disseminated later amongst the accounts to which they are allocable, so that the net diffe
Mode Mode, M is the value that has the largest number of occurrence or frequency in a data set, for instance, given the following data: 11 15 16 12 15 19 17 15 we can se
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