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You may need to use the appropriate appendix table or technology to answer this question The mean number of sick days an employee takes per year is believed to be about 10. Members of a personnel department do not believe this figure. They randomly survey & employees. The number of sick days they took for the past year are as fo 11:5, 14, 4; 10 215 5. Let x the number of sick days they took for the past year. Should the personnel team believe that the mean number is about 107 Conduct a hypothesis est at the 3% State the nul and alterative hypotheses (n days) (Enter for as needed) M₂ MA What is the best statatic) (Round your answer to two decimal places) What are the critical values)? ( using the detribution round your answers) to two decimal places, et distration round your answers) to three decinal places. Enter NONE for any unused answer bank) uppertal What is the decision of the test and what conclusions can be down At the At the level of significance we would fail to reject H, and…

A math professor is wondering if students today are better or worse than in the past. He has given the same final to this year's class that he gave ten years ago. Compute mean, median, and mode for both classes and write a paragraph summarizing the differences. This Year 35 45 65 75 87 80 69 71 53 90 99 95 70 82 73 93 67 61 57 74 72 77 71 81 83 Ten Years Ago 56 77 75 76 59 74 51 89 55 79 67 77 69 91 68 90 65 79 69 79 87 86 98 91 95

Make Sure to use paired data you are conductiny a Studly for a School to See If a program they are Using is actubilly helping with test bcores.. Test the cla!m that the mean of the differences Is less than O C this means the seconed 15 Scerin higher). Use significance revel ofi12. group The date below is before /a fer Measurments of 10 Stuclents. Student 1studentz Student 3 Stydent 4 5tudent 5 589 425 Student 6 Student7 Stud-ent 8 student 9 625 632 441 615 654 684 715 く12 754 652 822 202 735 Stuelent 10. 835 887