Someone solve question 5,6,7,8
5. Stock market or other investment returns. The stock market has return on average 7% per year. This does not mean that every year you get a 7% return, some years are more and some years are less. This variability called volatility in stock terms) is an example of variance and standard deviation. 6. You drive to work every day and take the same route. There is both variation in the time it takes you to get to work (traffic, stop light timing etc.) and variation in the amount of gas you use (same factors of traffic, stop light time affect this). All of this variability can be measured with variance and standard deviation. 7. Suppose we want to analyze the pizza prices in different restaurants in New York. We have sample data from 10 restaurants. The prices in dollars are as follow: NY Dollars $1.00 $ 200 $ 3.00 $ 300 $ 5.00 $ 600 $ 700 $ 800 $ 9.00 $11.00 8. Now suppose there is a foreigner who only have Mexican pesos. To him, the prices will look more like 18.81 pesos to 206.91 pesos, given the exchange rate of 18.81 pesos for one dollar. NY Dollars Pesos $ 100 MN 1881 $ 200 MN 37 62 $ 3.00 MN 56.43 $ 3.00 MN 56.43 $ 500 MOON 9405 $ 600 MOON 112.88 $ 7.00 MN 13167 $ 8.00 MN 15048 $ 9.00 MN 169 29 $ 11.00 MN 206.91 5. Stock market or other investment returns. The stock market has return on average 7% per year. This does not mean that every year you get a 7% return, some years are more and some years are less. This variability called volatility in stock terms) is an example of variance and standard deviation. 6. You drive to work every day and take the same route. There is both variation in the time it takes you to get to work (traffic, stop light timing etc.) and variation in the amount of gas you use (same factors of traffic, stop light time affect this). All of this variability can be measured with variance and standard deviation. 7. Suppose we want to analyze the pizza prices in different restaurants in New York. We have sample data from 10 restaurants. The prices in dollars are as follow: NY Dollars $1.00 $ 200 $ 3.00 $ 300 $ 5.00 $ 600 $ 700 $ 800 $ 9.00 $11.00 8. Now suppose there is a foreigner who only have Mexican pesos. To him, the prices will look more like 18.81 pesos to 206.91 pesos, given the exchange rate of 18.81 pesos for one dollar. NY Dollars Pesos $ 100 MN 1881 $ 200 MN 37 62 $ 3.00 MN 56.43 $ 3.00 MN 56.43 $ 500 MOON 9405 $ 600 MOON 112.88 $ 7.00 MN 13167 $ 8.00 MN 15048 $ 9.00 MN 169 29 $ 11.00 MN 206.91
