Mathematics, 11.05.2021 15:40, amohammad6
It can be difficult to motivate preschoolers to practice writing letters. Perhaps a reward system will do the trick, but what type of rewards work? Here are the data from a randomized experiment that compared three treatments among children in preschool. A "success" means that the child completed a worksheet in which they traced the entire alphabet in one sitting. Group 1 2 3 Reward Choice of a small toy Choice of candy Promise of immediate recess Subjects 20 24 16 Successes 13 18 10
(a) Which chi-square test is appropriate in this setting? Explain your reasoning.
(b) State the appropriate hypotheses for performing a chi-square test in this setting.
(c) The chi-square test statistic is x² = 0.847. Calculate the P-value.
(d) Interpret the P-value.
(e) What conclusion would you draw?
Answers: 1
Mathematics, 21.06.2019 15:20, 1xXJOKERXx3
Given: f(x) = 2x + 5 and g(x) = x2 and h(x) = -2x h(g(f( = x2+ vx+ x + y
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Mathematics, 21.06.2019 15:30, babygirl226
Acircular city park has a sidewalk directly through the middle that is 111 - feet long. if each bag of fertilizer covers 50 square feet, then determine how many bags of fertilizers the parks and recreation department needs to use to cover the circular park. ignore all the sidewalks around and through the park.
Answers: 1
Mathematics, 22.06.2019 02:00, noobieplayerxd
How many square inches are in 60 square feet?
Answers: 1
It can be difficult to motivate preschoolers to practice writing letters. Perhaps a reward system wi...
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