At-home medical test kits have increased in popularity in recent years. This​ year, 380 million test kits are expected to be sold. This represents a 114% increase from the number of kits that were sold last year. How many medical test kits were sold last​ year?

326.8 million

Step-by-step explanation:

You just get 14% of 380 million and subtract it from 380 million

60%

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: