In order to determine whether or not there is a significant difference between the hourly wages of two companies, the following data have been accumulated. company a company bsample size 80 60sample mean $10.80 $10.00population standard deviation $2.00 @1.50refer to exhibit 10-13. the test statistic has a value of: a. 1.96b. 0.80c. 1.645d. 2.7

Option d - 2.7

Step-by-step explanation:

To find : The test statistic has a value ?

Solution :

Using test statistic formula,

Where,

is the sample mean of company A

is the sample mean of company B

is the standard deviation of company A

is the standard deviation of company B

n= 80 is the sample size of company A

n= 60 is the sample size of company B

Substitute all the values in the formula,

Therefore, The test statistic has a value of 2.7.

So, Option d is correct.

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what is the image?

there has been genes found in the x chromosome of males that have been linked to [homo/hetero]sexuality. in addition to the reign of the x chromosome, a section of chromosome 8 has also been link to, "alot of ppl are so " these facts were proven true after a 2014 study of a gay male and his strait brother. according to newscientist.com,"chromosome 14 and is mainly active in the thyroid, but also the brain. called tshr, it makes a type of receptor protein that recognises and binds to a hormone that stimulates the thyroid. in this way, the gene plays an important role in controlling thyroid function. the fact that tshr seems to be involved in sexual orientation fits with evidence that thyroid function seems to be linked to sexuality."

in conclusion, "ppl are so gay" due to their genetics.