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 17:30, christinaaaat
Janet drove 300 miles in 4.5 hours. write an equation to find the rate at which she was traveling
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Mathematics, 22.06.2019 00:00, omar2334
Me with this assignment ! i only partially understand, so explain. also it's a work sample. at the championship bike race, steve and paula were fighting for first place. steve was 175 feet ahead of paula and had only 300 feet left to go. he was very tired and was going only 9 feet per second. paula was desperate to catch up and was going 15 feet per second. who won the bike race and by how far did she/he win?
Answers: 1
Mathematics, 22.06.2019 00:00, xojade
Maci and i are making a small kite. two sides are 10". two sides are 5". the shorter diagonal is 6". round all your answers to the nearest tenth. 1. what is the distance from the peak of the kite to the intersection of the diagonals? 2. what is the distance from intersection of the diagonals to the top of the tail? 3. what is the length of the longer diagonal?
Answers: 3
It can be difficult to motivate preschoolers to practice writing letters. Perhaps a reward system wi...
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