Question 11 Mark this question Polly likes to grow tomatoes in her garden, and wonders if organic pesticide is as effective as non- organic pesticide at keeping worms off of her tomato plants. She designs an experiment to test both pesticides, which she conducts for one summer. Which statement is true of this experiment? O The duration of her experiment is the explanatory variable. O The number of worms on her plants is the explanatory variable. O The number of worms on her plants is the response variable. O The type of pesticide used is the response variable.Question 14 Gaetan wanted to test a new stain remover to see if it was more effective in removing grease stains from his pants. Which of the following would be the null hypothesis in Geeten's experiment? The new stain removers will be more effective than the old one. The difference between the new stain remover and the old one will be significant. There will he no difference in the effectiveness of the new stein re mover compared to the old one. The new stain remover could be more or less effective than the old one. Which pair of event; are overlapping when rolling a single six-aided die? Getting an add nu m :aer Getting a number less than 4 Getting a prime number Getting a number less than 2 Getting a 4 Getting an odd number Getting a prime number Getting a number greater than E: Question 22 O Mark this question A researcher believes that singing to plants causes them to grow an extra 0.5 inches on average per month. She tests this with 20 of her own plants by bringing 10 to work and leaving 10 at home. The ones at home she sings to each day, and she does not sing to the ones at her work. Select the control variable that is being applied correctly. O The two sets of plants receive the same amount of light. O The plants at the office are of a different kind than the plants at home. O The plants at the office receive more water, but the plants at home receive more fertilizer. The air temperature at home is a consistent 75 degrees, and the air temperature at the office is a consistent 65 degrees.Question 6 O Mark this question Paul is reviewing student enrollment data for several elementary schools in the area. For which data set would the median be the best measure of center? O 101, 122, 67, 115, 98, 105, 110, 121 O 87, 99, 83, 98, 94, 89, 80, 85 O 511, 505, 496, 515, 505, 513, 499, 500 O 234, 245, 229, 231, 236, 242, 248, 255Question 7 O Mark this question Hae randomly selects a ball from a bag containing different colored balls. The odds in favor of her picking a red ball are 2:11. What is the probability of Hae picking a red ball from the bag? O 13 O O 11 OQuestion 8 O Mark this question Abel is playing a game with a standard deck of cards and randomly chooses a spade on his first draw. Which of the following statements is true? If Abel draws a spade, replaces the card, re-shuffles, and draws again, these will be dependent O events. If Abel draws a spade, does not replace the card, and draws again, these will be independent events. Whether or not these are dependent or independent events depends on what type of card Abel O draws next. If Abel draws a spade, replaces the card, re-shuffles, and draws again, these will be independent events