Question: You are given the null and alternative hypotheses H0: 12 and HA: 1 <2 together with the sample information to the right. Complete parts a

You are given the null and alternative hypotheses H0: 12 and HA: 1<2 together with the sample information to the right. Complete parts a and b below.

Sample 1 Sample 2

n1=12 n2=14

x1=577 x2=591

s1=27.5 s2=26.8

a. Assuming that the populations are normally distributed with equalvariances, test at the 0.05 level of significance whether to reject the null hypothesis based on the sample information. Use the test statistic approach.

Construct the rejection region. Select the correct choice below and fill in the answerbox(es) to complete choice.

(Round to two decimal places asneeded.)

tt/2=_______

1.711

t>t=

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock blur-text-image

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Students Have Also Explored These Related Mathematics Questions!

info 1 b c Sales Mountain Sports Ltd. Contribution Margin Income Statement For the Year Ended Dec 31, 2019 TOTAL $1,782,918 Less: Variable Costs (must be listed in alphabetical order): Rent PERCENT...

You are given the null and alternative hypotheses H0: 12 and HA: 1

5. 8/10 points | Previous AnswersMendStat14 10.E.053. To properly treat patients, drugs prescribed by physicians must not only have a mean potency value as specified on the drug's container, but also...

Consider the following data for a dependent variable y and two independent variables x 1 and x 2 . x 1 x 2 y 30 12 92 47 10 108 25 17 112 51 16 178 40 5 94 51 19 175 74 7 170 36 12 117 59 13 142 76...

2. Suppose a company sells bacon in packages that they claim average a weight of 13 ounces. Timothy believes that the actual average weight of the packages is different than what the company claims,...

1) For the following hypothesis: With n = 20, = 71.2, s = 6.9, and = 0.1, state the conclusion. Because the computed value of t = 0.78 is not greater than 2.1727, do not reject the null hypothesis....

You may need to use the appropriate technology to answer this question.The following estimated regression equation based on 10 observations was presented. = 23.1470 + 0.5902 x 1 + 0.4960 x 2 Here,...

The following estimated regression equation based on 10 observations was presented. = 21.1270 + 0.5503 x 1 + 0.4920 x 2 Here, SST = 6,728.125, SSR = 6,221.375, s b 1 = 0.0814, and s b 2 = 0.0569....

1. Important differences may not be statistically significant if a small sample is used. True False 2.If results are not practically significant, then they are also not statistically significant....

Statistics - Case Study 1 Contents Executive Summary...................................................................................................................................3 1. Business...

The owner of a movie theater company would like to predict weekly gross revenue as a function of advertising expenditures. Historical data for a sample of eight weeks follow. Weekly Gross Revenue...

and 1) Three alternative investments (A, B&C) have the following Cash Flows Internal Rates (ROR). For alternatives A, B&C, the ROR is its IRR. For A-B, AC, & B-C the ROR is, AIRR. Develop a choice...

Suppose the Chris Corpora Coal Mining Company currently employs 17 workers at $14.50 per hour, which is the prevailing wage rate in the perfectly competitive market for miners. Suppose also that the...

In 2 0 2 1 , the greatest dollar wolume of US , corporate underwiting occurred for which type of security? 1 2 Multple Choice 0 0 . 2 9 6 common spock preferred stock straight corporate dett

just question #4 please just question#4 please 4. [30] There are three mutually exclusive alternatives being considered. One of the three must be selected, so this is a set of three cost...