Make the statistical analysis for all of data given into table below using Excel program. Show your all results on this page.   COUNT X 1 0.244(N) 2 0.234(N) 3 0.247(N) 4 0.231(N) 5 0.235(N) 6 0.244(N) 7 0.230(N) 8 0.233(N) 9 0.244(N) 10 0.241(N) 11 0.247(N) 12 0.231(N)   Notes:   - Never change the template and only write your own identity data

Q: For practical purposes collecting data and computing for the population mean is more preferred than…

A: In question, We'll check about the given statement which is true or false. The explanation is below,…

Q: Suppose the degree of student in exams was (70,57,60,75,80,58,90), calculated mean for grouped data…

A: See the attachment

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: you are comparing the sample variation in the price of two stocks over the last quarter (4 month).…

A:

Q: Determine the two values of z such that the middle 58% of the data lie between the two z-values.

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Q: Statistics Question

A: The relative frequency can be obtained by dividing the absolute frequency of the class by sum of the…

Q: how are parameters and statistics related?

A: Parameter: The parameter is used to explain the entire population. For example, a teacher calculated…

Q: In 1980 and again in 2010, a Gallup poll asked a random sample of 1000 US citizens "Are you in favor…

A:

Q: Find the area of the shaded region. The graph to the right depicts IQ scores of adults, and those…

A:

Q: What is the coefficient of determination for the data above?

A: Step-by-step procedure to find the regression line using Excel: In Excel sheet, enter x and y in…

Q: Briefly explain the difference and similarity of correlation and regression.

A: Correlation Regression  It determines the interconnection or a relationship between the variables.…

Q: Suppose we focus on the proportions of patients who show improvement.  Is there a statistically…

A: Given,   Symptoms Worsened No Effect Symptoms Improved Total Treatment 1 22 14 14 50…

Q: The beef loin you receive typically weighs 18 pounds with a loss of 4.75#. The AP price is $3.75 per…

A: The beef loin has a weigh  pounds.The AP price is  per pound.The proportion size is  ounces.Opening…

Q: how do you calculate the P-value without excel

A: From the given solution, we get z = -0.957    = -0.96       ( round upto 2 decimal places )…

Q: please xplain why you have 7 class intervals, but have only shown 6 on ths histogram. Whould the…

A: For the given data the frequency distribution  is Class Count 4.3-4.4 1 4.4-4.5 2 4.5-4.6 4…

Q: The ages (in years) of 10 men and their systoluc blood pressures (in millimeters of mercury) are…

A: As we just hve to chek the result, we are using R programming to calculate the new correlation. New…

Q: Supposed that you were asked to examine the relationship between the height of children and their…

A: The test statistic is given as-  t=estimate/standard error For slope, t=0.73/0.10=7.3 For intercept,…

Q: How do I find the proportion of a histogram

A: Histogram is the best visualization technique for continuous quantitative data.

Q: A strong positive correlation can be shown between the amount of damage caused by a fire and the…

A: Correlation: Correlation a measure which indicates the “go-togetherness” of two data sets. It can be…

Q: 5.

A: Given:

Q: A negative z-score indicates that the score or value is above the mean. True or False

A: Given: z-score

Q: Describe about the correlation coefficient for quantitative data.

A: Correlation: Correlation a measure which indicates the “go-togetherness” of two data sets. It can be…

Q: researcher computes the correlation coefficient r= -0.1389 for an explanatory and response variable.…

A: The correlation coefficient(r)=-0.1389

Q: Find the sample mean of the data. Be sure to include screenshot of Excel of your answers and…

A: 30 30 30 30 40 60 40 15 50 150 40 30 30 30 40 30 40 30 30 30…

Q: Why correlation between the predicted and actual scores will be positive?

A: When two variables move in same direction, then it indicates that there is positive correlation…

Q: The sample mean of a dataset is 3.8 from 13 observations, calculate the sum of observations.

A: From the provided information, Mean of dataset (x̅) = 3.8 Number of observations (n) = 13

Q: Help understanding Find the z-score for which 80% of the distribution's area lies between -z and

A: Find the z-score for which 80% of the distribution's area lies between -z and z.

Q: how do you construct scatter plots for bivariate data? an example would help.

A: Bivariate data is data with two variables. A Scatter plot is plotted to identify the relationship…

Q: John calculated r -.44 for a set of n 10 pairs of values that represent the number of absences from…

A: Given that r = -0.44 midterm exam score ( y )   number of absences from class (x)

Q: The final exam scores for Mr. Allen’s class are shown below. 56, 59, 60, 65, 71, 72, 74, 80, 80, 83,…

A: Given observation and calculation is shown below Score 2*score 56 112 59 118…

Q: he first sheet of the spreadsheet linked above contains the scores of 50 students on 4 different…

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Q: What is statistics and why do you need to use statistics in your research? How important are they?

A: Statistics: Statistics is the branch of mathematics that deals with the collection of data,…

Q: How do you find the average, spread, and outliers for quantitative data set?

A: The most frequently used measure to find average for quantitative data set is mean, median and mode.…

Q: Calculate the sample standard deviation for this data set: 88, 73, 91. The formula for the sample…

A: Given: Data set:88,73,91. n=3 Step 1: The sample mean is calculated as x¯=∑xin=88+73+913=84 Thus,…

Q: Another car The correlation between a car’s horsepower and its fuel economy (in mpg) is r = -0.869.…

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Q: What are the three value to indicate variability of a data set How do you determine whether it is…

A: Variability :  It refers to the difference being shown by the data points within a data set, as…

Q: A positive z-score indicates that the score or value is below the mean. True or False

A: We want to tell you above statement is true or false

Q: Age at First Tumor You are a dermatologist studying the relationship between sun exposure and skin…

A:

Q: he median is measure of variation true or false

A: Central tendency is the descriptive statistic, which gives summary in a single value.The different…

Q: How do you determine which data gathering instrument to use in a research?

A: Data collection is an important step in the research process. The instrument you choose to collect…

Q: What is p value ?

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

Q: What are application of statistics and math?

A: Statistics help in providing data as well as tools to analyze the data. Some powerful techniques are…

Confidence Intervals

When we calculate intervals in probability and statistics, it can be simply termed as finding out a confidence interval. The confidence interval is usually calculated from the data set which is observed. The value of the parameter that needs to be calculated is present here only.