OP /Student PlayerTe aspx testid 5769274 oone Login I Unit Hypotheses Testing-M
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OP /Student PlayerTe aspx testid 5769274 oone Login I Unit Hypotheses Testing-M Take a Test-Lee ong x C The Manufacturer of A Certain.. dvorites. MAT 220.3 Statistics IDMoD4 ONLINE (36 3Di1701 Test: POST UNIT 7 TEST Ch. 10 This Question 1 pt 3 of 10 (5 complete According to the report, the mean monthly cel one bi was $49.14 three years ago. A researcher suspects that the mean monthly cell phone bill is higher today. il a) Determine the null and allemalive hypotheses. Choose the corect answer below. O A. Ho: u $49.14, H R $49.14 O B. Ho: u $49. H1: S49.14 O Ho: $49.14; H. G S49,14 O D. Ho: a $49.14: H1: o $49.14 (b) Explain what it would maan to make a Type I error. Choose the correct answer below. The sample evidenca la d the reseachar to believe the mean monthly cell phone bill is less than 49.14, when in fact the mean bil is $49.14 O B. The sample evidence did not ead the researcher to believe the mean monthly cell phone b is higher than $49.14, when in act the mean bil is higher than S49.14. The sample evidence le d th her to believe th thly cell pho higher th $49.14, wh act the bill is $49.14 (c) Explain what it would mean to make a Type II emor. Choose the correct answer below. O A. The sample evidence led the rasearcher to believe the maan monthly call phone billis higher than $49.14, when in fact the mean bill is higher than $49.14. O B. The sample evidence did not lead the researcher to believe the mean monthly cell phone b is higher than $49.14, when in act the mean bil is higher than S49.14. O The sample evidence did not lead the researcher to believe the mean monthly cell phone bill is less than S49.14, when in fact the mean bil is less than $49.14 Click to select your answer. & e e Lee XIong & I 4/20/17 6:57 PM Submit Tesl This Test: 10 pts possible Question Help 100% 3:57 PM 4/20/2017Explanation / Answer
Answers:
(a) Option B
(b) Option C
(c) Option B
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