Question

researcher wants to know if the food you 4. Can your diet make you happier? A eat has an effect on your happiness. A random sample of 41 adult participants completed a survey on happiness and a questionnaire on their diet (vegetarian, vegan, low carb, low fat, or no diet). The happiness survey is scored on a scale of 50-100, where higher scores are associated with a higher degree of happiness and satisfaction in the participants' life. Would you describe this as an experimental or an observational study? Describe the population that you believe the researcher can generalize to?

Answer 1

P chart

Day Number	Invoices speed(n)	Number defective(np)	Fraction defective(p)	Q
1	100	22	0.22	0.78
2	100	23	0.23	0.77
3	100	25	0.25	0.75
4	100	36	0.36	0.64
5	100	25	0.25	0.75
6	100	24	0.24	0.76
7	100	45	0.45	0.55
8	100	21	0.21	0.79
9	100	25	0.25	0.75
10	100	28	0.28	0.72
11	100	26	0.26	0.74
12	100	21	0.21	0.79
13	100	23	0.23	0.77
14	100	26	0.26	0.76
15	100	36	0.36	0.64
16	100	35	0.35	0.65
17	100	38	0.38	0.62
18	100	39	0.39	0.61
19	100	21	0.21	0.79
20	100	23	0.23	0.77
21	100	32	0.32	0.68
22	100	32	0.32	0.68
23	100	30	0.30	0.70
24	100	23	0.23	0.77
25	100	23	0.23	0.77
26	100	25	0.25	0.75
27	100	21	0.21	079.
28	100	22	0.22	0.78
29	100	23	0.23	0.77
30	100	25	0.25	0.75
31	100	23	0.23	0.77
32	100	25	0.25	0.75
33	100	32	0.32	0.68
34	100	32	0.32	0.68
35	100	32	0.32	0.68
36	100	32	0.32	0.68
37	100	31	0.31	0.69
38	100	30	0.30	0.70
39	100	30	0.30	0.70
40	100	30	0.30	0.70