How many levels were used in the experiment?

Q: How many females and males of the sample have satisfying non- academic performance inspite of having…

A: Given information: Total population of first-year optometry students from DDC = 65 20% of the sample…

Q: Three coins are tossed. Model the experiment of observation of Heads. Coin #1 is a fair coin coin #2…

A: It is given that three coins are toosed.We have to obtain the probability distribution of the…

Q: Discuss the method of drawing a systematic sample of size 4 when N=24

A: Given - Pop. size = N = 24 Sample size = n = 4

Q: 10. Suppose you increase the sample size and keep everything else the same. What happens to the…

A:

Q: The degrees of freedom for the sample containing 10 measurements is v = 10. True False

A:

Q: How many degrees of freedom are in a repeated measures study with n=20 participants?

A: Degrees of freedom (DF) state that the number of independent values that can vary in an analysis…

Q: What  statistical test( from the data)  should be used to check whether people choose each type of…

A: Chi-square goodness of fit test: The Chi-square goodness of fit test is used to test whether or not…

Q: 5. A population of N=6 scores has EX=48 What is the population mean?

A:

Q: Suppose that your sample size was 37, what is P(t<-1.74) (Negative 1.74)?

A: Given information- Sample size, n = 37 t-score = -1.74 We have to find the p (t&lt;-1.74). Degree of…

Q: What statistical tool is appropriate if the number of data is large and O is known?

A: Here we need to find out the statistical tool if the number of data is large and standard deviation…

Q: How many factors are in a 4 x 2 ANOVA? How

A: How many factors are in a 4 x 2 ANOVA? How many cells?

Q: The differences are not statistically significant for which items?

A: Introduction: The study compares dating and married couples on nine items, by comparing the mean…

Q: 12. You scored 650 points in your NCAE and it was reported that your score is in the 80th…

A:

Q: The number of incidents in which police were needed for a sample of 10 schools in ABC University is…

A: Given  The data are 7,37,3,8,48,11,6,10,15,25

Q: What proportion of 20% defective shipments will be accepted?

A: Given : N=50 , n=5 , p=0.20 , M=N*p=50*0.2=10 Here , X​​​​​​​Hypergeometric (n=5,N=50,M=10) The…

Q: How do I find the mean for each of the samples listed

A: Provided data is:   Sample 1 Sample 2 Sample 3 Sample 4   # X # X…

Q: If a researcher were to increase a sample size from n = 30 participants to n = 80 participants, what…

A: Increase power

Q: Whare the degrees of freedoms for the treatment and experimental errorst

A: Given that,No. of treatments No. of replications Treatment means

Q: You intend to conduct an ANOVA with 4 groups in which each group will have the same number of…

A: d. f( treatment) =3 d. f (error) =20

Q: 4. A sample mean has a z= +1.0 on the sampling distribution created from the population of…

A:

Q: Male penguins that weigh more than 4710 grams are considered "desirable" because the extra fat means…

A: We need to find expected value of desirable penguins Let us find out probability of a desirable…

Q: d. The degrees of freedom = e. The test-statistic for this data show your answer to three decimal…

A: The total number of observations is 790. The probability of favoring vanilla ice cream is 0.242.The…

Q: Provide an example (different from the ones considered in this section) of a procedure based on a…

A: A researcher wants to test the effectiveness of the training program conducted for students to…

Q: If the sample size is n=16 what is likely true about the shape of the population?

A: Solution:  Central limit theorem: The central limit theorem state that as the sample size increases…

Q: You intend to conduct an ANOVA with 7 groups in which each group will have the same number of…

A: There are 7 groups in which each group would have the sample number of subjects n=10, then the total…

Q: 7. A student scored in the 23rd percentile on an exam. what does this mean?

A: Percentile: A percentile is a measure indicates the value which a given percentage of observations…

Q: What is the degree of freedom for one sample T test with n=15?

A:

Q: In how many ways can a statistician select a sample of 15 people from a population of 90 people?

A: Given,A statistician select a sample of 15 people from a population of 90 people.

Q: What is the population and sample of this study?

A: We want to know population and sample in given example.

Q: Test the claim that the coin is unfair.

A: here test the claim that coin is unfair here sample proportion of head p^ = 41100 = 0.41

Q: how can we derive the formula in solving the value of the  sample size n?

A: Step 1: Use the mathematical definition of margin of error, E (OR MOE).  Step 2: E=zc​X(n)p(1−p)​​…

Q: For a sample of n=16 scores, how many scores are used to calculate the sample variance?

A:

Q: f. What is the point estimate (the statistic) for the true proportion of Pennsylvanians who…

A: f. From the information, the proportion of PennsyIvanians who responded that they would vote for Joe…

Q: The newspaper in the previous problem decides to increase the size of its random sample of citizens…

A: Given Data: Previous sample size=250 New sample size=500

Q: For a sample of n=15 scores, how many scores are used to calculate the sample variance ?

A: Given that : For a sample of n=15 scores, how many scores are used to calculate the sample variance…

Q: Blank are more representative of a population, but blank are easier to obtain

A: The sample is a set of units that is obtained from a population, which represents the population.…

Q: A population consist of numbers 3,6,9,12, and 20 and the sample size n=3 (apply the 8 steps ,upload…

A: Population Numbers are 3 6 9 12 20 From the given population samples are prepared with size 3…

Q: If a sample has n=23 items, how many degrees of freedom should there be if you 're doing a t-test?

A: The objective of the question is to determine the degrees of freedom for a t-test given a sample…

Q: 2.  A claim is made that the proportion of adults who text is less than 0.4.  Find the test…

A: Given that  p=0.40 , n=987 , X=398

Q: 6. Complete the table for the repeated measures ANOVA for a study where ten subjects are measured…

A: Here we are given that 10 subjects are measured four times each. That is ,  Number of subjects…

Q: You intend to conduct an ANOVA with 80 subjects, which will be divided into 5 treatment groups.…

A: Given  K=5=treatment, N=80