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We find the correlation coefficient and plot the scatter plot using excel as follows:
Time in Waiting Room
Heart Rate
1
-0.544180095
The correlation coefficient tells us that there is negative correlation between the heart rate and waiting time. It also tells us that the relationship is moderate.
But when we observe the scatter plot we get one more thing that the relationship is near linear, this information we cannot get from correlation coefficient.
Statistical inference is that branch of statistics Statistical inference is that branch of statistics which is concerned with using probability concept to deal with uncertainty
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Following is the trend equation for a time series data on a monthly basis for years 2007 to 2009: Y=2.375+0.895X. Find Y for 2nd quarter of 2010.
median
Your friend Jose is trying to decide whether to buy or lease his next vehicle. He has gathered information about each option but is not sure how to compare the alternatives. Purcha
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1. Suppose that there is a Beta(2,2) prior distribution on the probability µ that a coin will yield a "head" when spun in a speci?ed manner. The coin is independently spun 10 times
six subjects were exposed to 4 treatments and the following data were recorded
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IASB -International Accounting Standards Board : IASB is an independent body based in London, which is responsible for setting accounting standards. IASB started operations in the
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