Question

motoccom/Rudent/Perlomeworkahomeworld-5377 question d e alsedd:561/24 online Venise Davis & 11/10/19 5:47 PM Save 2198 MATH 241-92 KIRKPATRICK Homework: Section 10.3 Homework Score: 0 of 1 pt of 10 (1 complete) X 10.3.31-T mote contro iw scores om HW Score: 0%, 0 of 10 pts Question Help o cres of students eacher obtains an A math teacher claims that she has developed a review course that increases the scores of students on the math portion of a college entrance e Based on data from the administrator of the exam, scores are normally distributed with 512. The teacher obtains a random sample of 1800 students, puts them through the review class, and finds that the mean math score of the 1800 students is 519 with a standard deviation of 117 Complete parts (a) through (d) below. d deviation Find the test statistic 60 (Round to two decimal places as needed.)

Answer 1

Solution:

The test statistics,

t₀ = ( $\bar x$ - $\mu$ )/ (s/$\sqrt{n}$)

= (519 - 512 ) / ( 117 / $\sqrt{}$ 1800 )

= 2.54

The test statistic is 2.54