(b) A psychology researcher conducts a study on the effects of amount of sleep on creativity. The creativity scores for four levels of sleep (4 hours, 6 hours, 8 hours, 10 hours) for 4 randomly selected students are given by: [Seorang penyelidik psikologi menjalankan kajian mengenai kesan jumlah tidur terhadap kreativiti. Skor kreativiti untuk empat tahap tidur (4 jam, 6 jam, 8 jam, 10 jam) bagi 4 orang pelajar yang dipilih secara rawak diberikan oleh:] (i) (ii) Table 3.1: Creativity Scores for Four Levels of Sleep [Jadual 3.1: Skor Kreativiti Bagi Empat Aras Tidur] (iv) Student 1 Student 2 Student 3 Student 4 Column Total 4 hours 6 hours 3 4 5 7 6 8 4 3 18 22 Given SS(Total) = 168.44 [Diberi SS(Total) = 168.44] 8 hours 10 hours 10 11 13 9 43 10 13 10 9 42 Row Total 27 36 37 25 Construct an ANOVA table for this type of experimental design. [Bina jadual ANOVA bagi rekabentuk ujikaji jenis ini.] Explain any two sources of variations stated in ANOVA table in (i). [Jelaskan mana-mana dua sumber variasi yang dinyatakan pada jadual ANOVA di (i).] (iii) Is there any significance difference in the amount of sleep on creativity at a=0.01? [Adakah terdapat perbezaan yang signifikan dalam jumlah tidur terhadap kreativiti pada a=0.01?] Do the treatments will be different significantly without introducing the blocking factor when a = 0.01? Support your answer. [Adakah rawatan-rawatan tersebut akan mempunyai perbezaan yang signifikan tanpa memperkenalkan faktor blok apabila a=0.01? Sokong jawapan anda.]

10.  For adults, certain type of cancers can be treated with multiple health interventions.  To gain information about all Maryland-based treatment centers a survey is sent to a randomly chosen group of 25 Maryland based treatment centers that asks about the recommended interventions for cancer patients based on medical records, insurance, and income. All of the randomly selected treatment centers completed the survey.   The sample is: For adults, certain type of cancers can be treated with multiple health interventions.  To gain information about all Maryland-based treatment centers a survey is sent to a randomly chosen group of 25 Maryland based treatment centers that asks about the recommended interventions for cancer patients based on medical records, insurance, and income. All of the randomly selected treatment centers completed the survey.     The sample is: a. the 25 Maryland-based treatment centers b. the medical records, insurance, and income c. all Maryland-based treatment…

Assume that 900 births are randomly selected and 443 of the births are girls. Use subjective judgment to describe the number of girls as significantly​ high, significantly​ low, or neither significantly low nor significantly high.

For its “Music 360" survey, Nielsen Co. asked teenagers and adults how each group has listened to music in the past 12 months. Nearly two- thirds of U.S. teenagers under the age of 18 say they use Google Inc's video-sharing site to listen to music and 35% of the teenagers said they use Pandora Media Inc's custom online radio service (The Wall Street Journal, August 14, 2012). Suppose 10 teenagers are selected randomly to be interviewed about how they listen to music. Answer questions 7- 10.