Your mom sent you 10 chocolate chip cookies as snack food when you studied for y

Question

Your mom sent you 10 chocolate chip cookies as snack food when you studied for your math exam. Instead of eating the cookies, you counted the number of chocolate chips in each cookie (then you ate the crumbs). Your results were as follows: Give your answers to 5 decimal places when rounding. a) Mean b) Median c) Mode d Range e) Standard deviation f) Variance The following is a grouped-data table for the days to maturity for 40 short-term investments. Give your answers to 5 decimal places when rounding. a) Mean b) Median c) Standard deviation d) Variance In a standard normal curve, we use the letter _____ to represent the random variable. It has a mean value = ______ and a standard deviation value = ______. A government agency checked the gasoline mileage of a particular make of automobile and found the mileages to be normally distributed, with a mean of 28.6 mpg and a standard deviation of 2.3 mpg. For one of these automobiles, what is the probability, rounded to 5 decimal places, that the mileage will be a) at least 30 mpg? b) between 28 and 32 mpg? c) at most 32 mpg?

Explanation / Answer

No of chips Mean 4.5 Standard Error 0.645497224 Median 4.5 Mode #N/A Standard Deviation 1.290994449 Sample Variance 1.666666667 Kurtosis -1.2 Skewness 0 Range 3 Minimum 3 Maximum 6 Sum 18 Count 4 Confidence Level(95.0%) 2.054260257 Frequency Mean 2.5 Standard Error 0.645497224 Median 2.5 Mode #N/A Standard Deviation 1.290994449 Sample Variance 1.666666667 Kurtosis -1.2 Skewness 0 Range 3 Minimum 1 Maximum 4 Sum 10 Count 4 Confidence Level(95.0%) 2.054260257

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