A) a plausible theory is that people who smoke more as less concerned about thei

Question

A) a plausible theory is that people who smoke more as less concerned about their health and safety and are therefore less inclined to wear seat belts. Is this theory supported by the sample data? (Do not use tests. Only STATDISK necessary)
B) Divide all numbers in the table by 10, and answer the same question.
Graphical and verbal solutions for all regression/correlation problems should be provided. Use stat disk for calculations.
Smoke Wear seat belts 70 Don't wear seat 60 belts Do not smoke 20 10

Explanation / Answer

Since the p- value > 0.05, there is no significant evidence that people who smoke more as less concerned about their health and safety and are therefore less inclined to wear seat belts

(B)

Since the p- value > 0.05, there is no significant evidence that people who smoke more as less concerned about their health and safety and are therefore less inclined to wear seat belts.

(A) Smoke Don't Smoke Wear seat belts 70 20 Don't wear seat belts 60 10 Chi-square Contingency Table Test for Independence    Smoke   Don't Smoke   Total   Wear seat belts Observed   70 20 90 Expected   73.13 16.88 90.00 O - E   -3.13 3.13 0.00    (O - E)² / E   0.13 0.58 0.71 Don't wear seat belts Observed   60 10 70 Expected   56.88 13.13 70.00 O - E   3.13 -3.13 0.00 (O - E)² / E   0.17 0.74 0.92 Total Observed   130 30 160 Expected   130.00 30.00 160.00 O - E   0.00 0.00 0.00 (O - E)² / E   0.31 1.32 1.63 1.63 chi-square 1 df .2020 p-value

Related Questions

Navigate

• Browse (All)
• Browse A
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.