College

A restaurant decides to test their oven's thermostat to determine if it is working properly, i.e., if the actual temperature inside the oven is the same as the temperature to which the thermostat was set. Twenty times, the oven was set at 350 degrees, and then the temperature was measured with a thermometer.

What is the parameter?

A. \(\mu\) = the sample mean temperature of the oven
B. \(\bar{x}\) = the sample mean temperature of the oven
C. \(\mu\) = the true mean temperature of the oven
D. \(\bar{x}\) = the true mean temperature of the oven

Answer :

The parameter that is of interest here is mu = the sample mean temperature of the oven.

What is a research parameter?

These are the characteristics of the population trhat is being studied. It is what is used to define the population.

The parameters here is the mean temperature of the oven that is being tested.

Read more on parameters here:https://brainly.com/question/25748151

Answer:

For this case we have information from a sample of n =20 times of temperatures of the oven

The parameter of interest is [tex]\mu[/tex] population temperature mean of the oven

And the statistic is calculated with this formula:

[tex]\bar X = \frac{\sum_{i=1}^n X_i}{n}[/tex]

With n = 20 and represent the mean temperature of the oven

The correct option for this case is:

mu = the true mean temperature of the oven xbar = the true mean temperature of the oven

Step-by-step explanation:

Previous concepts

Parameter represent a property of a population and is calculated with the information of all the populatio. Some examples are the population mean and deviation [tex]\mu,\sigma[/tex]

Statistic represent a propoerty of a sample and are used used in order to describe the population parameters, since represent estimators of the real parameters.

Solution to the problem

For this case we have information from a sample of n =20 times of temperatures of the oven

The parameter of interest is [tex]\mu[/tex] population temperature mean of the oven

And the statistic is calculated with this formula:

[tex]\bar X = \frac{\sum_{i=1}^n X_i}{n}[/tex]

With n = 20 and represent the mean temperature of the oven

The correct option for this case is:

mu = the true mean temperature of the oven xbar = the true mean temperature of the oven