Reply the next issues exhibiting your
work and explaining (or analyzing) your outcomes.
Describe the measures of central tendency. Below what
situation(s) ought to every one be used?
Final yr, 12 workers from a pc firm retired. Their
ages at retirement are listed beneath. First, create a stem plot for the
information. Subsequent, discover the imply retirement age. Spherical to the closest yr.
55 77 64 77 69 63 62 64 85 64 56 59
A retail retailer supervisor saved observe of the variety of automotive magazines
offered every week over a 10-week interval. The outcomes are proven beneath.
27 30 21 62 28 18 23 22 26 28
Discover the imply, median, and mode of newspapers offered over the
Which measure(s) of central tendency finest signify the info?
Title any outliers.
Joe needs to go his statistics class with at the very least a 75%. His
prior 4 check scores are 74%, 68%, 84% and 79%. What’s the minimal rating he
wants on the ultimate examination to go the category with a 75% common?
Nancy participated in a summer season studying program. The variety of
books learn by the 23 contributors are as follows:
10 9 6 2 5 three 9 1 6 three 10 four 7 6 three 5 6 2 6 5 three 7 2
Variety of books learn
Full the frequency desk.
Discover the imply of the uncooked information.
Discover the median of the uncooked
The chart beneath represents the variety of inches of snow for a seven-day
Discover the imply, median, and mode.
Which is the very best measure of central tendency?
Take away Wednesday from the calculations. How does that impression the
three measures of central tendency?
Describe the impact outliers have on the measures of central
A dealership offered 15 vehicles final month. The acquisition value of the
vehicles, rounded to the closest thousand, is represented within the desk.
of vehicles offered
Discover the imply and median of the info.
Which measure finest represents the info? Use the outcomes to
assist your reply.
What’s the outlier and the way does it have an effect on the info?
eight. What do the letters signify on the field
.jpg” alt=”Field plot”>
9. The check scores from a math ultimate examination are
64 85 93 55 87 90 73 81 86 79
Create a field plot utilizing the info.
Label the 5 factors on the field plot and embrace numerical
solutions from half “a.”
10. Utilizing the info and outcomes from Query
9, reply the next questions.
What’s the median?
What’s the vary?
What’s the interquartile vary?
In a brief paragraph, describe the info within the field plot.