You randomly sample 4 attendants of a power posing seminar. You note that 3 of the 4 exhibit higher levels of confidence than the median of the general population. The probability of obtaining this result by chance (if those attending power posing seminars do not differ in their levels of confidence from the general population) is

the equation for this situation is y=122+45. to solve the equation you would add 45 and 122 to get a total of 167lbs. in conclusion, grace's weight eight weeks ago was 167lbs.  

5   1/4   miles per hour

step-by-step explanation:

15   3/4 / 3 = 5   1/4

both the histogram and the stem and leaf plot will visually show how many shoppers were of various ages within each range of data.   the histogram does not give us the specific ages of these shoppers unlike the stem and leaf plot.a histogram does not give us a true range of the data because we do not know exactly how old the shoppers were. a stem and leaf plot will give exact ages, so we can determine the exact range along with all measures of center and the others measures of center.   with the histogram, we cannot find any of these.

step-by-step explanation: