Hello,

I wonder if you could help me to answer the question 1-10.

Anteprima File Modifica Vista Vai Strumenti Finestra Aiuto LINE 71%0 Mer 14:39 LQ DE mean in ITuthi i mini filall doc39.pdf (pagina 1 di 3)~ Q. Ricerca c39.pdf Player ACTIVITY 7.7 CHOOSING TEST STATISTICS ACTIVITY 7.7 CHOOSING TEST STATISTICS Player Determine which statistic should be used in each of the following situations: z for sample mean, single sample t, related samples t, or independent Question 1-6 1 samples t. When you are assessing a given situa- tion, you need to recognize that if a problem does not give you the sample mean (M) or the sample standard deviation (SD) you can always compute these values from the data. However, if a problem 2. Do people have kin body that ster rurring every day for & work than before they does not give you the population mean (u) or the Intelligence Quotient DC) starts hist a pop Whation mean of 190. Does the college football population standard deviation (o), you should wanhave a thin 10 that is sigridcantly pooter than soar doc39 he the mean haight of a sample of female sol. ball players ta in that is butand assume that these values are not known. See models is associated with lower body waran /Frederick et al, 10471 Appendix I for information on when to use each over derigna a study ta deter y young girls and sendlarly affected by his statistic. plays with Barbie dolls for 30 minutes doc - seconda 2 ata 14.22.56 The sound group plays with s did with 16 W X PN ZOOMAnteprima File Modifica Vista Vai Strumenti Finestra Aiuto LIME 71%0 Mer 14:39 LQ DE mean in !Tutti : mini filalt doc39.pdf (pagina 2 di 3) ~ Q Q. Ricerca c39.pdf Player The second group plays with a doll with 1. Do male teachers make more money than proportions similar to the average American female teachers? woman. After the 30-minute play period, the Player 2. Do people have less body fat after running researcher measures each girl's body image every day for 6 weeks than before they using a graphic rating scale that yields an in- started running? terval scaled measure of body image. Which 3. Intelligence Quotient (IQ) scores have a pop- statistic should this researcher use to deter- Question 1-6 ulation mean of 100. Does the college football mine if girls who played with Barbie dolls team have a mean IQ that is significantly reported lower body image than girls who greater than 100? played with dolls with proportions similar to 2. Do people have his body fat star nurring every day for & werke than before they wanted running 4. Is the mean height of a sample of female vol- the average American woman? 6. A teacher of an art appreciation course wants Whatton mean of 204. Done the college football manhave a than 12 that in sigridcantly leyball players taller than 68 inches? 5. Previous studies have shown that exposure to know if his course actually results in & In the mean height of a wraps of female sol- S. Forvien stadies have thewhat rope greater appreciation for the arts. On the first among waran (frederick it al, 10471 Further derigra & study Is deterring if to thin models is associated with lower body day of class, the teacher asks students to com- image among women (Frederick et al., 2017). doc39 pop plays with barbie dolls for 30 morales plete an art appreciation survey that assesses A researcher designs a study to determine if attitudes toward a variety of forms of art very young girls are similarly affected by thin (e.g., painting, theater, sculpture). Scores on 2 images. Forty kindergartners are randomly the survey range between 1 = strongly disagree assigned to one of two groups. The first doc - seconda group plays with Barbie dolls for 30 minutes. nata Schermata 4.22.56 2022-11...14.39.07 16 A W X P N 20mAnteprima File Modifica Vista Vai Strumenti Finestra Aiuto THE $ 71% O Iso Mer 14:39 doc - seconda . pdf (pagina 1 di 5) Q. Ricerca doc - seconda .pdf The second group plays with a doll with proportions similar to the average American woman. After the 30-minute play period, the & A teacher of an art appreciation bear researcher measures each girl's body image presser appreciation for the arts. can plate in art appedition for using a graphic rating scale that yields an in- terval scaled measure of body image. Which 1.A statistic should this researcher use to deter- mine if girls who played with Barbie dolls B 1 reported lower body image than girls who played with dolls with proportions similar to the average American woman? 6. A teacher of an art appreciation course wants to know if his course actually results in significantly higher on the last day of thin on the first day of dais WH greater appreciation for the arts. On the first should this suncancher are to dets day of class, the teacher asks students to com- Analysis of there data reveal the plete an art appreciation survey that assesses birthisu = 3.5 days. A new p iniritated that provides aeww pin attitudes toward a variety of forms of art the wargory. To determine if this program his (e.g., painting, theater, sculpture). Scores on the survey range between 1 = strongly disagree 2. 2 3. O 16 W X P N 20mto 5 = strongly agree and responses to all of the women who participate in the new program and finds that their mean length of stay is questions are averaged to create one measure 3.4 with a standard deviation of 1.4. Which of art appreciation. The same survey is given statistic would help determine if the new on the last day of class. The teacher analyzes program is effective at lowering the average the survey data and finds that scores were length of mothers' hospital stay? significantly higher on the last day of class 8. Abel and Kruger (2010) recently analyzed than on the first day of class. Which statistic the smiles of professional baseball players listed in the Baseball Register. The photos of should this researcher use to determine if players were classified as either big smiles or students' art appreciation scores were higher no smiles. The age of death for all players was after the class than before the class? also recorded. The results revealed that play- 7. An insurance company keeps careful records ers with big smiles lived longer than those of how long all patients stay in the hospital. with no smiles. Which statistic could be used Analysis of these data reveals that the aver- to determine if the difference in life span between those with big versus no smiles was age length of stay in the maternity ward for women who have had a caesarean section birth is u = 3.9 days. A new program has been instituted that provides new parents with at-home care from a midwife for 2 days after the surgery. To determine if this program hasgreater than would be expected by sampling Which statistic should the researcher use to error? [More-recent research has not repli- determine if watching the video significantly cated this finding.] reduced endorsement of the view that the 9. A questionnaire that assessed the degree to world is fair and just? which people believe the world is a fair and 10. It is well-known that acetaminophen reduces just place has a mean of u = 50. A researcher physical pain. DeWall et al. (2010) found that wonders if this belief is affected by exposure the drug can also reduce psychological pain. to information suggesting that the world Another researcher wonders if the same is is not a fair and just place. To answer this true of aspirin. To test the efficacy of aspirin research question, he conducts a study with in treating psychological pain, they measured 73 students and has them watch a series participants' psychological pain, gave them of videos where bad things happen to good the drug, and then again measured their people. After watching these videos, he psychological pain. Psychological pain was gives them the questionnaire and finds that measured using an interval scale of mea- surement. Which statistic should be used to the average score after watching the videos was 48.1, with a standard deviation of 16.2