Observed Etch Rate (Å/min) RF Power Totals Averages (W) 1 2 3 4 5 Yi. 160 575 542 530 539 570 2756 551.2 180 565 593 590 579 610 2937 587.4 200 600 651 610 637 629 3127 625.4 220 725 700 715 685 710 3535 707.0 y. = 12,355 = 617.75

Q: Can you give an example of how the importance of the goodness of fit test to the chi-square test?

A: Step 1: The goodness of fit test to the chi-square test is a statistical hypothesis, which helps to…

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: How would you report those results in APA style?

A: The question is about to compare the difference between number of anagrams solvable and number of…

Q: Name different properties of estimators.

A:

Q: How do I determine the length of error bars for the average bounce height of a ping pong ball?

A: Introduction: Error bars are visual representations of the distribution of a statistic of interest,…

Q: Describe about the type II error or a miss.

A: During testing,we need two hypothesis between which the testing should be done. Null…

Q: What is the SRS size?

A: Given that Standard deviation =6.4 As solved part(a)  The standard deviation of sample mean =0.4667…

Q: Give give 5 examples of type I error inside your home.

A: Type 1 error  Probability of rejecting the null hypothesis when it is true

Q: What are the restrictions of use for a Chi-Square analisys?

A: The chi-square is very sensitive to sample size. As the sample size increases, absolute differences…

Q: to calculate the standard error of the mean what will you need

A: Consider a random variable X, has mean µ and the standard deviation of σ.

Q: Einar Óli measured the area of scallops in two places in Breiðafjörður and used a t-test to find out…

A: There are two types errors occur in hypothesis testing. Here it is given that type II error has…

Q: A Type I error means

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

Q: If X ~B(190,0.34), find mean and variance of x. (Rounded in 3dp.)

A: X ~B(190,0.34) Given a Binomial Distribution X ~B(n,p) Here, n = 190 , p = 0.34

Q: Define the equation is used to predict HSGPA from SAT?

A:

Q: which one of the values contributes most to the chi square score?

A: (c) To determine which value contributes most to the chi-squared score, we can calculate the…

Q: Can you show me how to dispay data on a histograph and make your own question for me to look at on…

A: you can follow these steps:Prepare your data: Organize the data you want to display in a histogram.…

Q: whats negative skew?

A:

Q: Explain about why z Test Is Appropriate.

A: The z test is basically a statistical test for testing whether is there any difference between…

Q: The height of a maple tree is 128.3 ft., is it a discrete or continuous data set

A:

Q: Find the value of the x² test statistic

A: Based on the observed and expected values and expected values,the squared distances can be computed…

Q: Describe about the Error Variability?

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

Q: step 4 can you calculate the p value without using excel?  need to be able to do on a test without…

A: From given data  n=19 so, degree of freedom is df=n-1=19-1=18

Q: What is p value ?

A: The​ P-value is the probability of observing difference in the sample statistic this high or higher…

Q: Explain what is the LM test and demonstrate it

A: Given information: It is required to state the LM test.

Q: an example of the errors that can occ

A: For almost any experimental study where statistical procedures are applied to a collection of…

Q: what are IQR?

A:

Q: Define most powerful test.

A: Define most powerful test

Q: How do you know if a histogram is leptokurtic or platykurtic?

A: Platy kurtic:If the histogram is having shorter tails and its central peak is limited and broader…

Q: If SSR = 54 and SST = 72, compute the coefficient of determination, r, and interpret its meaning. *=…

A: Given that, SSR=54,SST=72 The formula for calculating the coefficient of determination is,…

Q: List one general strength of using nonparametric tests?

A: Nonparametric tests are used when there is no type of distribution given and a relationship or…

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: What is the significance of a z-score?

A: The value of z score tells that how many standard deviations the data is spread away from mean. The…

Q: Explain the purpose of the chi-square test

A: Chi square:   The Chi-Square statistic is used for testing relationships between categorical…

Q: What do you need to make sure a chi-square test is valid in a 2x2 table? Are the rules different…

A: Suppose we have two attributes(i.e some specific numerical characteristics) A (with c number of…

Q: what is type 2 error

A:

Q: (b) (i) Describe the skewness of the above histogram. (ii) Describe the shape of the above histogram…

A: Note: Hey there! Thank you for the question. Although the term “histogram” has been used to describe…

Q: Are you smarter than a second-grader? A random sample of 51 second-graders in a certain school…

A:

Q: 1. The degrees of freedom are: Select ] 2. The mean square for groups (MSG) is: [Select] 3. The mean…

A: It is given that Sample size n = 45 Number of groups, k = 3 SSG = 192247.3, SSE = 117737.3

Q: A statistics professor for STAT 250 wants to investigate how long it takes students to complete Exam…

A: Given: Sample Mean Std.dev 26 43.93 7.14