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You may need to use the appropriate appendix table or technology to answer this question The cost of a daily newspaper varies from city to city However the variation among prices remains steady with a standard deviation of 0 20 A study was done to test the claim that the mean cost of a daily newspaper is 1 00 Fifteen costs yield a mean cost of 0 97 with a standard deviation of 0 18 Do the data support the claim at the 1 level State the null and alternative hypotheses in dollars Enter for as needed Ho H What is the test statistic Round your answer to two decimal places What is are the critical value s If using the z distribution round your answer s to two decimal places and if using the t distribution round your answer s to three decimal places Enter NONE for any unused answer blanks lower tail upper tail What is the decision of the test and what conclusions can be drawn O At the 1 level of significance we would reject Ho and conclude that there is not sufficient evidence to conclude that the the average cost of a daily newspaper is not equal to 1 00 O At the 1 level of significance we would reject Ho and conclude that there is sufficient evidence to conclude that the the average cost of a daily newspaper is not equal to 1 00 O At the 1 level of significance we would fail to reject Ho and conclude that there is not sufficient evidence to conclude that the the average cost of a daily newspaper is not equal to 1 00 O At the 1 level of significance we would fail to reject Ho and conclude that there is sufficient evidence to conclude that the the average cost of a daily newspaper is not equal to 1 00

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