Answer Happy

Scenario C. David sees an ad for a new kind of running shoe that promises to improve speed when running short distances. He decides to test this out. He compares his speed when running a mile with the new shoes to his speed when running a mile in the old shoes. His goal is to test whether the new shoes help him run faster. What is the null hypothesis for this scenario? HO: David will run the mile slower in the new shoes than with his old shoes. HO: David will run the mile faster in the new shoes than with his old shoes. HO: David will run the mile in the same amount of time the new shoes as with his old shoes. HO: David will run the mile in the same amount of time or faster in the new shoes than with his old shoes. OHO: David will run the mile in the same amount of time or slower in the new shoes than with his old shoes.
Scenario C. David sees an ad for a new kind of running shoe that promises to improve speed when running short distances. He decides to test this out. He compares his speed when running a mile with the new shoes to his speed when running a mile in the old shoes. His goal is to test whether the new shoes help him run faster. What is the alternative hypothesis for this scenario? OH1: David will run the mile in the same amount of time or faster in the new shoes than with his old shoes. H1: David will run the mile in the same amount of time or slower in the new shoes than with his old shoes. H1: David will run the mile at a different speed in the new shoes than with his old shoes. H1: David will run the mile faster in the new shoes than with his old shoes. H1: David will run the mile in the same amount of time new shoes as with his old shoes. H1: David will run the mile slower in the new shoes than with his old shoes.
Scenario C. David sees an ad for a new kind of running shoe that promises to improve speed when running short distances. He decides to test this out. He compares his speed when running a mile with the new shoes to his speed when running a mile in the old shoes. His goal is to test whether the new shoes help him run faster. What would be a Type I error for this scenario? Edit View Insert Format Tools Table 12pt Paragraph BIUA 2 T² : David will run faster with new shoes when in reality, David will run the mile in the same amount of time or slower in the new shoes.
Scenario C. David sees an ad for a new kind of running shoe that promises to improve speed when running short distances. He decides to test this out. He compares his speed when running a mile with the new shoes to his speed when running a mile in the old shoes. His goal is to test whether the new shoes help him run faster. What would be a type II error for this scenario? Edit View Insert Format Tools Table 12pt Paragraph BIU A v T²v| David concludes that he runs the same or slower in his new shoes than his old shoes, when in reality he will run the mile in the same amount of time or faster in the new shoes than with his old shoes.