SOLUTION: Mental measurements of young children are often made by giving them blocks and telling them to build a tower as tall as possible. One experiment of block building was repeated a mo
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-> SOLUTION: Mental measurements of young children are often made by giving them blocks and telling them to build a tower as tall as possible. One experiment of block building was repeated a mo
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Question 1205341: Mental measurements of young children are often made by giving them blocks and telling them to build a tower as tall as possible. One experiment of block building was repeated a month later, with the times (in seconds) listed in the accompanying table. Use a 0.01 level of significance to test the claim that there is no difference between the two times.
Child
First trial 30 19 19 23 29 178 42 20 12 39 14 81 17 31 52
Second trial 30 6 14 8 14 52 14 22 17 8 11 30 14 17 15
a. state null hypothesis; b. state alternative hypothesis; c. level of significance; d. test statistic; e. decision rule based on p-value; f. statistical decision; g. conclusion Answer by Bogz(13) (Show Source):
