46. A fund manager wants to know if it is equally likely that the Dow Jones Industrial Average will go up each day of the week. For each day of the week, the fund manager observes the following number of days when the Dow Jones Industrial Average goes up. Day of the Week Monday Tuesday Wednesday Thursday Friday For the goodness-of-fit test, the null and alternative hypotheses are A. Ho: P1 P2 = p3 = p4 = 1/4, HA: Not all population proportions are equal to 1/4 B. Ho: P1 = p2 = p3 = P4 ps 1/5, HA: Not all population proportions are equal to 1/5 C. Ho: P1 P2 P3 p4 Ps = 1/4, HA: Not all population proportions are equal to 1/4 D. Ho: p1 p2 = p3 p, 1/5, HA: Not all population proportions are equal to 1/5 Observed 192 189 202 199 218 %3D %3D %3D %3D %3D %3D %3D 47. A fund manager wants to know if it is equally likely that the Dow Jones Industrial Average will go up each day of the week. For each day of the week, the fund manager observes the following number of days when the Dow Jones Industrial Average goes up. Day of the Week Observed 192 Monday Tuesday Wednesday Thursday Friday 189 202 199 218 Using the p-value approach and a = 0.05, the decision and conclusion are_ A. do not reject the null hypothesis; we cannot conclude that not all of the proportions are the same B. do not reject the null hypothesis; all of the proportions are the same C. reject the null hypothesis; not all of the proportions are the same D. reject the null hypothesis; all of the proportions are not the same 48. For the goodness-of-fit test, the expected category frequencies are found using the A. sample proportions B. proportions specified under the null hypothesis C. average of the hypothesized and sample proportions D. proportions specified under the alternative hypothesis

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Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.