Number of minutes 1 2 3 4 5 6 7 8 9 10 Number of trainees 2 3 5 10 15 30 25 15 10 5
1.) use the data to draw a bar chart

Researchers were interested in whether relaxation training decreases the number of headaches a person experiences. they randomly assigned 20 participants to a control group or a relaxation training group and noted the change in number of headaches each group reported from the week before training to the week after training. which statistical analysis should be performed to answer the researchers' question?

Abacteria population is tripling every hour. by what factor does the population change in 1/2 hour? select all that apply

The graph and table shows the relationship between y, the number of words jean has typed for her essay and x, the number of minutes she has been typing on the computer. according to the line of best fit, about how many words will jean have typed when she completes 60 minutes of typing? 2,500 2,750 3,000 3,250