Russia has recently started a push for stronger smoking regulations much like those in western countries concerning cigarette ad
vertising, smoking in public places, etc. The datafile named Russia contains sample data on smoking habits of Russians that are consistent with those reported by The Wall Street Journal (The Wall Street Journal, October 16, 2012). Analyze the data using Excel and answer the following questions. Click on the datafile logo to reference the data. a. Develop a point estimate and a confidence interval for the proportion of Russians who smoke. Round point estimate to two decimals and confidence interval to four decimal places. Point estimate Confidence interval to b. Develop a point estimate and a confidence interval for the mean annual per capita consumption (number of cigarettes) of a Russian. If required, round your answers to nearest whole value. Point estimate Confidence interval to c. For those Russians who do smoke, estimate the number of cigarettes smoked per day. If required, round your answer to nearest whole value.
1 answer:
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Answer:
13 centimeters per day.
Step-by-step explanation:
We have been given that during summer, the water level of the river increased by 78 centimeters in 6 days. We are asked to find the water level increase rate in centimeters per day.
To find the water level increase rate per day, we will divide total increase by total days as:
Therefore, the water level increase rate is 13 centimeters per day.
Example:
7x7x7x7x7x7x7x7x7x7x7x7=84
there are 12 sevens
u put the deleted number as the big number (7) and the number of repeated numbers as the smaller sized number which is called the exponent (12)
7x7x7x7x7x7x7x7x7x7x7x7=84
there are 12 sevens
u put the deleted number as the big number (7) and the number of repeated numbers as the smaller sized number which is called the exponent (12)