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Psy 1110 Miniproject #10 A breakfast cereal company claims that their cereal increases children's ability to concentrate and to learn material because it has 2000

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Psy 1110 Miniproject #10 A breakfast cereal company claims that their cereal increases children's ability to concentrate and to learn material because it has 2000 milligrams of vitamin C sprayed on it. A school psychologist believes this is unlikely and decides to test it. The psychologist selects a group of children who report eating the cereal for breakfast on a regular basis and compares their scores on the Revised Wechsler Intelligence Scale for Children (WISC-R). The population has mean score of 117 on the test with a standard deviation of 10.4. The data are recorded for each of the children in the sample and are reproduced below. Do the cereal-eating children have higher WISC-R scores? Use a=.05 115 121 132 125 120 119 129 120 131 1. State your hypotheses in symbols (include both H. and H1). 2. Set up the criteria for making a decision. That is find the critical value. Use a=.05. 3. Compute the appropriate statistical test. 4. Make decision about Ho: Reject H. or Retain Ho (Fail to Reject H.) 5. Write conclusion: 6. What type of error could you have made and why? 188 words X English (United State

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