The mean square error (MSE) is

Q: "Durable press" cotton fabrics are treated to improve their recovery from wrinkles after washing.…

A: Here the given information is "Durable press" cotton fabrics are treated to improve their recovery…

Q: describe what is measured by the standard error of M?

A: We have to describe what is measured by the standard error of M

Q: What is a type 1 and type 2 error? How are they related to each other?

A: First of all, we know that there are two types of arises in the testing of hypothesis because, in…

Q: "Durable press" cotton fabrics are treated to improve their recovery from wrinkles after washing.…

A: It is been asked to find the 95% confidence interval for difference in mean wrinkle recovery angle.…

Q: Scores on a test have a mean of 86 and a standard deviation of 13. Jerrica has a score of 94.…

A:

Q: Write down the important properties of the Normal Curve.

A: A normal curve is identified using the values of the mean and standard deviation to show the…

Q: The total area underneath any normal curve is equal to the mean one the variance the coefficient of…

A: Normal curve: A normal curve is a bell-shaped curve which shows the probability distribution of a…

Q: Calculate the Residual associated with the prediction of your height. Is the predicted height an…

A: The regression equation that is calculated to predict the height using the shoes sizes is as follows…

Q: When the size of samples gets larger, the standard error of the sample means…

A: Solution Since sample size (n) is inversely proportional to standard error, The standard error…

Q: Why roles are reserved for the variance and particularly for its square root, the standard…

A: Variance and standard deviation: Variance measures absolute variability in a data set, calculated…

Q: The degrees of freedom in a chi-squared test equal to the number of participants in the test minus…

A: The degree of freedom for a chi square test = n – 1 Here, n is the number of participants. And the…

Q: A Type I error means

A: There are two types of error Type I error Type II error

Q: What are the Properties of the Normal Curve?

A: A normal curve is identified using the values of the mean and standard deviation to show the…

Q: Distinguish briefly the Parameters and statistics

A: A parameters is a values that describes some aspect of a population . A parameters may be very…

Q: tandard error of the mean is used in the

A: Given that  Estimated Standard error of the mean  We know that  Standard error of the mean is used…

Q: how about the equation of the normal line?

A: Apologies for the inconvenience. Here is the solution for the normal line:   From the original…

Q: is called the of the mean. standard error standard deviation O average error sigma

A:

Q: "Durable press" cotton fabrics are treated to improve their recovery from wrinkles after washing.…

A:

Q: What describes measurements that have a normal distribution?

A: The farther away you move from the average, the fewer individuals will have those more extreme…

Q: A plot of the residuals and frequencies is commonly called a

A: When there is an association between two variables, one variable may be expressed as a function of…

Q: what is the root mean square error ?

A: In question, We'll discuss about root mean square error.

Q: What is the new version of standard error?

A:

Q: The residual is the difference between the observed value of the independent variable and the…

A: Given: True False question .

Q: Standard variation = 73.14: Calculate the Variance

A: Given : Standard variation = 73.14

Q: Describe about the Error Variability?

A: The element of variability is produced by factors, such as measurement imprecision, and is not…

Q: The most commonly used measure of central tendency

A: here use basic of central tendency

Q: The sum of squares of deviation is least if measure from а. Median b. Mean

A: the sum of squares of deviation is least when measured from ?

Q: The estimate of the standard error of the mean is computed as?

A:

Q: The standard error of an estimator is the standard deviation of the estimator. True False

A: The Standard Error of the estimator is the Standard deviation of the estimator.

Q: The standard error of the mean (Qx) is a(n)

A:

Q: Regression and correlation are used for estimation. Select one: True False

A: The most commonly used estimation techniques for investigating the relationship between two…

Q: Durable press" cotton fabrics are treated to improve their recovery from wrinkles after washing.…

A:

Q: The variance is sometimes a negative number.

A:

Q: A photoconductor film is manufactured at a nominal thickness of 25 mils. The pr increase the mean…

A: Solution: Given information: n1=8n2=8x1=1.15x2= 1.06s1=0.11s2= 0.09α=0.10

Q: Before using these mean squares what does we must calculate?

A: Mean squares is nothing but the sum of the squares of the mean of the group   divided by the degrees…

Q: Discuss the differences between an error and a residual.

A: Given : Two measures Error  Residual

Q: A Type I error means

A: The error in hypothesis testing arises when an incorrect conclusion is drawn at the population…