4. In a fictional study, the influence of a television program on children's aggressiveness was examined....

4. In a fictional study, the influence of a television program on children's aggressiveness was examined. The number of aggressive responses was measured during an observation period after the children viewed the television program. Imagine that the known national average for number of aggressive responses typically performed by children who do not watch television is 6.647.

a) Perform the six steps of hypothesis testing using the data in the table and a two-tailed t test at an α level .05. Show the respective formulas and your work. You may use excel to perform the t-test.

Table: TV and Aggressiveness

Participants	Aggression after viewing the TV show
1	9
2	3
3	11
4	12
5	14
6	6
7	12

Expert Solution

calculate mean and standard deviation of the data given.

hypothesis test:

we have sufficient evidence to claim that national average for number of aggressive responses typically performed by children who do not watch television is 6.647.

orchestra answered 1 year ago

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