Does soil filled with nitrogen increase the weight of worms compared with soil without nitrogen? the weight of 12 randomly selected worms is acquired, six in soil with nitrogen and six in soil without nitrogen. the mean weight of worms in soil with nitrogen was 41.3 micrograms whereas the mean weight of worms in soil without nitrogen was 38.9 micrograms. a researcher randomized the data over 100 trials, and the difference of means for each trial is shown in the dot plot below

Give all possible names for the line shown.calculation tip: lines can be written with either point first.

Abag contains 3 red marbles, 2 blue marbles, and 2 green marbles. one marble is picked, then another marble. assume that the selections are made with replacement. a) find the probability of picking two red marbles with replacement. b) find the probability of picking a red marble and a blue marble. assume the selections are made without replacement. c) find the probability of picking two red marbles without replacement. d) find the probability of picking a red marble and a blue marble without replacement.

The interior angles formed by the side of a hexagon have measures of them up to 720° what is the measure of angle a