out a Mean - Google Chrome X Homework.aspx?homeworkid=632806847&questionld=6&flushed=true&cld=7098062¢erwin=yes Fall 2022 ONLINE 10123 faria insanally 11/27/22 1:25 PM sting Question 7, *8.4.17 HW Score: 46. 15%, 6 of 13 Part 2 of 4 points Points: 0 of 1 Save For the following claim, find the null and alternative hypotheses, test statistic, critical value, and draw a conclusion. Assume that a simple random sample has been selected from a normally distributed population. Answer parts a-d. Claim: The mean IQ score of statistics professors is less than 122. Sample data: n = 25, x = 121, s = 4. The significance level is a = 0.05. Click the icon to view a table of critical t-values. O A. Ho: H = 122 H1 : H # 122 O B. Ho: H 122 WD. Ho: H = 122 H1: H = 122 b. Determine the test statistic t. 1= (Round to three decimal places as needed.) ew an example Ask my instructor Clear al Check answer OClaim about a Mean - Google Chrome /PlayerHomework.aspx?homeworkid=632806847&questionld=6&flushed=true&cld=7 2023 Fall 2022 ONLINE 10123 faria insa t-table t distribution: Critical t values Area in One Tail 0.005 0.07 0.025 0 05 010 Degrees of Area in Two Tails Freedom 0.01 0.02 0.05 0.10 0.20 63.657 31.821 12.706 6.314 3.078 9.925 6.965 4.303 1886 5.841 4.541 3.182 2.353 .638 4.604 3.747 2.776 2152 4.032 3.365 2.571 2.015 476 3.707 3.143 2.447 1.943 1440 3.499 2.998 2.365 1.895 1415 3.355 2.896 2.306 1.860 1307 3.250 2821 2.262 1833 1 383 10 3.169 2.764 2.228 1.812 1.372 3.106 2.718 2.20 1.796 1363 3.055 2.681 2.179 1782 1556 3.012 2.650 2.160 1 350 14 2977 2.624 2145 1345 Print Done