Question

Variability of group means about the grand mean tells us only the amount of random individual...

Variability of group means about the grand mean tells us

only the amount of random individual variation

only the amount of variation due to treatment effect (if present)

the amount of both random individual variation and variation due to treatment effect (if present)

none of the above

0 0
Add a comment Improve this question Transcribed image text
Answer #1

Only the amount of variation due to treatment effect because there is no random individual variation.

Add a comment
Know the answer?
Add Answer to:
Variability of group means about the grand mean tells us only the amount of random individual...
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for? Ask your own homework help question. Our experts will answer your question WITHIN MINUTES for Free.
Similar Homework Help Questions
  • Variability of group means about the grand mean tells us ONLY the amount of random individual...

    Variability of group means about the grand mean tells us ONLY the amount of random individual variation ONLY the amount of variation due to treatment effect (if present) the amount of BOTH random individual variation and variation due to treatment effect (if present) none of the above

  • 1. Confidence Intervals are about the individual measurements, NOT the mean. True False 2. Means have...

    1. Confidence Intervals are about the individual measurements, NOT the mean. True False 2. Means have smaller standard deviations than individuals. True or False 3. Paired t-methods are the same as one-sample t-methods applied to the pairwise differences. True or False 4. Pooled t-tests are best when the variances are unequal. True or False 5. Standard error (σ) is an estimate of the population standard deviation(s). True or False 6. The Central Limit Theorem (CLT) tells us that the mean...

  • 1. In a Regression model, what measurement approximately tells us the amount of variation in our...

    1. In a Regression model, what measurement approximately tells us the amount of variation in our dependent variable that is explained by the model? Group of answer choices F Statistic None of these R-Square t Statistic 2. In your own words, briefly describe what a hypothesis test is looking for to determine whether or not a result is significant. What is a drawback of Exponential Smoothing models? Group of answer choices None of these They always lag real - world...

  • 1. What is your interpretation of "looking at distant objects only strictly tells us about their...

    1. What is your interpretation of "looking at distant objects only strictly tells us about their past, not the present" ? 2. Name and describe, in very simple terms, the three main methods we use to find/discover distant planets. 3. It is mentioned that if Sirius (the brightest of stars for us) indeed has the same intrinsic brightness of the Sun (as postulated by Huygens), but is observed by us as 600 million times fainter, it's distance should be about...

  • Which of the following statements about the one-way ANOVA are correct?

    Which of the following statements about the one-way ANOVA are correct? (Select all that apply) The larger the variability within groups relative to the variability between groups, the larger the F test statistic tends to be. The results of the ANOVA F test does not tel us which groups are different or how different they are. An F-distribution is symmetrical about 0 and extends indefinitely in both directions In a one-way ANOVA, if the null hypothesis is rejected, we conclude that the population means...

  • Which of the following statements about experiments is true? Group of answer choices None of these...

    Which of the following statements about experiments is true? Group of answer choices None of these is true. All experiments must have a control group. Random assignment is only critical for treatment groups, as opposed to control groups. Matching can be used in any experiment to eliminate lurking variables. Blocking is employed to reduce variation.

  • Sample Mean Sum of Squares Group Preparing to speak 96.8 23,655.2400 Speaking 101.5 21,099.8900 Listening 106.4...

    Sample Mean Sum of Squares Group Preparing to speak 96.8 23,655.2400 Speaking 101.5 21,099.8900 Listening 106.4 27,155.2500 After collecting the data, you analyze the data using an ANOVA. The results of your analysis are presented in the following ANOVA table. ANOVA Table Source of Variation SS df MS F Between Treatments 6,913.01 2 3,456.51 21.49 Within Treatments 71,910.38 447 160.87 Total 78,823.39 449 These findings are significant at a .05, which tells you that the difference is very unlikely to...

  • Let x represent the dollar amount spent on supermarket impulse buying in a 10-minute (unplanned) shopping interval. Based on a certain article, the mean of the x distribution is about $30 and the esti...

    Let x represent the dollar amount spent on supermarket impulse buying in a 10-minute (unplanned) shopping interval. Based on a certain article, the mean of the x distribution is about $30 and the estimated standard deviation is about $5. (a) Consider a random sample of n = 40 customers, each of whom has 10 minutes of unplanned shopping time in a supermarket. From the central limit theorem, what can you say about the probability distribution of x, the average amount...

  • 3. Test the indicated claim about the means of two populations. Assume that the two samples...

    3. Test the indicated claim about the means of two populations. Assume that the two samples are independent simple random samples selected from normally distributed populations. Do not assume that the population standard deviations are equal. Use the P-value method. A researcher wishes to determine whether people with high blood pressure can reduce their blood pressure, measured in mm Hg, by following a particular diet. Use a significance level of 0.01 to test the claim that the treatment group is...

  • Let x represent the dollar amount spent on supermarket impulse buying in a 10-minute (unplanned) shopping...

    Let x represent the dollar amount spent on supermarket impulse buying in a 10-minute (unplanned) shopping interval. Based on a certain article, the mean of the x distribution is about $21 and the estimated standard deviation is about $9. (a) Consider a random sample of n = 40 customers, each of whom has 10 minutes of unplanned shopping time in a supermarket. From the central limit theorem, what can you say about the probability distribution of x, the average amount...

ADVERTISEMENT
Free Homework Help App
Download From Google Play
Scan Your Homework
to Get Instant Free Answers
Need Online Homework Help?
Ask a Question
Get Answers For Free
Most questions answered within 3 hours.
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT