Listed below are durations (in hours) of a simple of all flights of a space shuttle. Find (a) mean, (b) median, (c) mode, and (d) midrange for the given sample data. Is there a duration time that is very unusual? How might that duration of time be explained? 75 91 234 187 165 188 378 262 234 382 331 225 244 0
a. the mean is how many hours?

What is the result of converting 60 ounces to pounds remember there are 16 ounces in a pound

Recall that the owner of a local health food store recently started a new ad campaign to attract more business and wants to know if average daily sales have increased. historically average daily sales were approximately $2,700. the upper bound of the 95% range of likely sample means for this one-sided test is approximately $2,843.44. if the owner took a random sample of forty-five days and found that daily average sales were now $2,984, what can she conclude at the 95% confidence level?

Which coefficient matrix represents a system of linear equations that has a unique solution ? options in photo*