Answer:
Step-by-step explanation:
speed = 88 km/hr
distance = 500 km
time = distance / speed = 500/88= 125/22 hours
16.50. 99.30 divided by six is 16.50.
The correct answer is D) a+2b.
Hope it helps!
Answer:
Variance, Range, Standard deviation, Inter-quartile range
Step-by-step explanation:
The most commonly used measure of variability in a data set include;
Variance and standard deviation - measures the variability of a data set about a fixed location, the mean. Variance is the square of the standard deviation.
Range - this is the difference between the largest and the smallest values in a data set.
Inter-quartile range is simply the difference between the third and the first quartile where the second quartile is the median.
Other measures include;
Downside semi-variance
