Using the information in the screenshot, can you please calculate the measures of spread

Q: How do I calculate to get this std dev answer?

A: Given Information: Proportion p=0.40 Sample size n=50 Based on the concept of Central limit theorem,…

Q: Explain what happens when finding the margin of error if all stays the same except the sample size…

A: Solution: The margin of error can be calculated by using the formula:

Q: Identify an example of a population that you would expect to be normally distributed. Explain why…

A: It is needed to define a data set that follow normal distribution.

Q: A very good professional baseball player gets a hit about 35% of the time over an entire season.…

A: Solution:- The commentator is wrong because the law of averages does not apply in this situation.…

Q: The top schools HCC students transfer to are below from highest to lowest.  This type of data is…

A: We have given the following statement

Q: XYZ Corporation recorded the number of employee absences each week over a period of 10 weeks. The…

A: Given XYZ Corporation recorded the number of employee absences each week over a period of 10 weeks.…

Q: What is the vertical line test?

A: If we draw vertical lines through a given graph and the vertical lines cut the graph only once each,…

Q: What is the z-value and area if score is 70 ?

A: The score is 70

Q: what is the difference of fractile and quantile

A: Difference between fractile and quantile:

Q: The nine measurements that follow are furnace temperatures recorded on successive batches in a…

A: Option a is correct. The sample mean is calculated by the formula x_bar=∑iX_in wher X_i are the…

Q: Define the test variable?

A: Introduction A variable is a characteristic that is being tested.

Q: xplain how to use a boxplot show you the measures of center variations, and distribution of data set

A: Box and whisker plot: A type of graph used to display patterns of quantitative data is called a box…

Q: Please write a sentence of comment about the shape of the distribution.

A: Kolmogorov Statistic p-value < 0.01 Cramer Mon Vises p-value < 0.01 Anderson Darling p-value…

Q: (a) Go to www.lock5stat.com/datapage2e.html (b) Download and save the .csv file of the dataset…

A: Go to www.lock5stat,com/datapage2e.html Download and save the .csv file of the dataset called…

Q: Find the Score function

A: With respect to the relevant parameter, the score function is a derivative of the log-likelihood…

Q: Illustrate Interpret significant and non-significant differences?

A: If the p-value is below the provided level of significance, than the null hypothesis would rejected…

Q: Describe about the negatively skewed shape of histogram.

A: The histogram is said to be left-skewed or negatively skewed when the histogram has a long-left…

Q: Provide a table that summarizes the different ways to estimate the population mean and the…

A: A Table that summarizes the different ways to estimate the population mean and the population…

Q: whats negative skew?

A:

Q: Describe about Variability within Groups.

A: There are two types of variability in ANOVA. They are, Between groups variability. Within group…

Q: Mang Carlo harvested the fruits in his farm. He have harvested 250 pieces of mangoes, 50 pieces of…

A: Data table:  Fruit Frequency Mangoes 250 Papaya 50 Banana 300 Apples 200 Oranges 150

Q: Histogram of US_county_data$median_age_2017 30 40 50 60 70 20 US county_data$median_age_2017…

A: The relative frequency for a given distribution is assumed as the likelihood of occurring (i.e., how…

Q: Describe about the Averages for Ranked Data.

A: The ranked data is mainly used in the non-parametric tests are they are performed on ordinal data.…

Q: How to determine the number of observation in the model?

A: We are given the output of a multiple model predicting car mileage per gallon (mpg) as a function of…

Q: why do we study or use 5 averages in statistics? Elaborate

A: The 5 types of averages we use in statistics are: 1- Arithmetic mean 2-Mode 3- Median 4-Root mean…

Q: What is an item in your house that has at least two different sized rectangles as cross-sections?

A: For a table, two rectangles meet at a line at the edges.

Q: The mean age of a combined group of men and women is 30 years. If the mean age of the group of men…

A:

Q: Can anyone please send me the normal standard table

A:

Q: List the descriptive statistics that can be computed to help answer the health question on how…

A: Descriptive statistics is used to obtain the summary statistics of the data, which gives the brief…

Q: How to find measures of center and measures of spread?

A: The measures of center are mean, median and mode. Mean: Mean is a measure of center in case of…

Q: Describe about Variability between Groups.

A: In ANOVA, the total variability can be split into various sum of squares (variations). They are sum…

Q: Drowning in bathtubs is a major cause of death in children less than 5 years old. A random sample of…

A: We Have to find Estimate the percent of all parents of young children who use baby bathtubs.

Q: Find the percentile rank of a test score of 76 for the data set 70,73,68,83,78,80,89,88,65

A: Solution-: Given data:  70,73,68,83,78,80,89,88,65 We find percentile rank of a test score of 76=?

Q: The mean age of a combined group of men and women is 30 years. If the mean age of the group of men…

A:

Q: What are the Ordinal Measures?

A: Ordinal  scale is the 2nd level of measurement that reports the ranking and ordering of the data…

Q: Use one example to explain why the level of measurement is the first thing needed to know in data…

A: The level of measurement is the first thing needed to know in data analysis. Examples are given…

Q: What percentage of the blocks are red?

A: