The following frequency distribution table shows the weights of 36 students in a certain Math 1 class of Miss Santos. Miss Santos. Weights, Ibs (x) Frequency,f 100 3 115 15 120 10 125 19 130 135 12 What is the mean? O A. 121.67 O B. 120.83 O C. 122.29 D. 123,67

Q: One way analysis of variance is used to test for

A: One way analysis of variance also known as ANOVA.

Q: What is a sample mean? What is a sample proportion? Summarize the notation used for these…

A: Sample mean : It is sum of all observation in the sample divided by total number of observations.…

Q: Describe some of the reasons that group means might be different from each other in an analysis of…

A: Given:-             I)    Some of the reasons that group means might be different from each other in…

Q: What is the variance ? And standard devation?

A: n = 129 p = 0.73

Q: Describe some of the reasons that group means might be different from each other in an analysis of…

A: What is ANOVA? Watch the video for an introduction, or read on below: An ANOVA test is a way to…

Q: Explain Prerequisites of Sampling Distribution of the Mean?

A: The sampling distribution of the sample mean, X̄, based on a sample of size n, taken from a…

Q: What is the best point estimate for the population's variance if the sample variance is 6? Round…

A:

Q: Explain how to calculate and interpret the p-value for a mean and a proportion, for both a one- and…

A: For asserting a conclusion that is being tested for a certain hypothesis, i.e., the parameter of…

Q: 2. Explain the difference between mean and median in a skewed distribution.

A: To explain the difference between mean and median for different types of skewed distribution.

Q: l test do I use?

A: Treatment Gender Pre_score Post_score IQ hours_studied 1.00 1.00 9.40 10.80 111.00 5.00 1.00…

Q: Explain the formula for the variance of the sampling distribution of the mean?

A: Central Limit Theorem for mean: If a random sample of size n is taken from a population having mean…

Q: What is formula for variance for sample?

A: Variance measures absolute variability in a data set, calculated with respect to the mean. That is,…

Q: how to find the variance?

A: Variance is a measure of variability. It is computed by the average of squared deviations from the…

Q: A z-score indicates how many variances a value is above or below the mean. True False

A: A z-score is known as the standard score that determines how much the data point deviates from the…

Q: How can we calculate the probability-weighted average of the squared deviations?

A:

Q: What are the range, variance, and standard deviation of 0, 5, 10, 15, 20, and 25?

A: The following information has been given: 0, 5, 10, 15, 20, 25

Q: Find the sample variance Given sample 20,13,4,8,10

A: The given sample is 20,13,4,8,10

Q: What is the statistical symbol for sample mean? What is the statistical symbol for population Mean?

A: Sample mean The sub-set of the mention population is identified as a sample. In addition, the sample…

Q: d sample variance   4,5,8,9,11,15,16,18,19,2

A: Given data, 4,5,8,9,11,15,16,18,19,22 find sample variance

Q: Product codes in a manufacturing company having 2, 3, or 4 letters are equally likely. What is the…

A: There are two types of distributions, they are discrete and continuous distribution. If all the…

Q: When is the population standard greater than the population variance?

A: Variance: The variation between each observation from its mean is known as variance. The greater the…

Q: What is the sample variance and sample standard distribution of the following numbers: 1, 2, 5, 6,…

A: To find the sample variance and sample standard deviation, we first need to calculate the sample…

Q: What is formula for Mean of the Sampling Distribution of the Mean?

A:

Q: What is the sampling distribution in estimating the variance of a population? What are the…

A: The estimation population variance of the sampling distribution, or

Q: Formulate the mean of the sampling distribution of the difference between means ?

A:

Q: Describe the sources of within groups variance. How does within groups variance affect the range of…

A: Given information: It is required to describe the sources of within groups variance.

Q: what is the sample variance and standard deviation of 21​,16​,3​,9​,11

A: The formula for sample variance and standard deviation is given by:

Q: What is the difference between a normal and binomial distribution?

A: Statistics uses normal distributions more often than binomial distributions most of the time.…

Q: Explain Sampling Distribution of a Sample Mean and how does it affect the parameters and random…

A: We have to ask about sampling distribution of a sample mean : And how it affects the parameters.

Q: What is a sampling distribution of means? Use your knowledge of the standard error of the sample…

A:

Q: hat is the population variance of these numbers? 1,3,3,4,6,7

A:

Q: Define variance and write three properties of variance

A: Variance is a measure of variability from the mean or average of the data set. It tells us the…

Q: Explain what "statistically significant" mean?

A: Introduction: Statistical significance is a statistical concept, as opposed to practical…

Q: Why does the mean inaccurately summarize a skewed distribution?

A: If the distribution is symmetric then mean is accurately summarized the data because it is exactly…

Q: Add 7 to every output x. What happens to the mean and the variance? What are the new sample mean,…

A: Mean is one of the measures of central tendency and it tells about the middle part of the…