Years I 2005 2006 2007 Quarterly II 65 78 68 70 80 70 60 75 75 determine the seasonal pattern with the ratio to moving average method

Q: The median income for a society is the midpoint of all household incomes. Explain?

A: Introduction The median is one of the measures of central tendency.

Q: A company that produces bread is concerned about the distribution of the amount of sodium in its…

A: Given: n=100X¯=103 mg/sliceσ=10 mg/slice

Q: graph has been divided into parts for visibility. mean= 2.57 median=? Grade-point averages. Find the…

A:

Q: Limpopo company has recorded quarterly maize sales and seasonal ratios from 2015 to 2017 financial…

A:

Q: Describe the main measures of central tendency and dispersion. Why are they important in analyzing…

A: A measure of central tendency helps to identify the location of a dataset, whereas a measure of…

Q: he number of cans of soft drinks sold in a machine each week is recorded below. Develop forecasts…

A: Introduction: We need to forecast using the three-week weighted moving average method, and obtain…

Q: Can the age data (in years) of the students in this class be presented using the Box-Plot tool?…

A: Age data of the students

Q: This exercise provides information about data in a survey of students. Of the students who…

A: given data  105 first year student 185 sophomores 29 juniors 28 seniors ____________ 347 total…

Q: Which price range(s) has a relative frequency greater than 0.18 and less than 0.27?

A:

Q: What are 2 situations when you will use mode as a measure for central tendency.

A: Mode mode is the value which occurs most frequentlyn in the data set of observation and around which…

Q: Briefly describe the methods of collecting primary data

A: The objective of this question is to understand the various methods of collecting primary data in…

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: Code Churn is a common metric used to measure the efficiency and productivity of software engineers…

A: Given Programmer Total lines of code Written Number of lines of code Requiring Edits Liwei…

Q: a values that would allow 55% of the data to fall within the mean observing symmetry? Draw the curve…

A: Mean and standard deviation are given below:  μ = 8.70σ=2.1846 Z-score is a measure that indicates…

Q: How do you know Which measure of tendency is nominal ordinal or interval?

A: The measures of tendency are mean, median and mode. Mean is the average value of a data set. Median…

Q: Create Distribution Curve (tell if data is skewed or normally dist.)

A: Skewness explains the spread of the data. There is two type of skewness, they are right and left…

Q: List three variables, and how they are measured, for which you would use the mode as the most…

A: List three variables, and how they are measured, for which you would use the mode as the most…

Q: 3

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Q: The question is, What is the level of measurement and is it a discrete or continuous variable?…

A: Here, we have given that Highest year of school completed 0-20. Actual number of years 97. IAP, 98.…

Q: Choose the correct options and pls tell me why

A: a.  The response variable is jan_temperature. b. The explanatory variable is Latitude.c. The…

Q: e Sq Feet 1512 1023 2436 3559 Beds 3245 3 2 4

A: The linear correlation between x and y is described by its correlation coefficient, which  provides…

Q: Why do we use area to represent frequency when we’re graphing histograms?

A: Introduction A histogram is a graph which shows the frequency of the numerical data.

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: vt 14. Calculate trend values by the method of Least Square from the data given below 4. and…

A:

Q: Consider the following data representing the price of laptop computers (in dollars). 1465, 1151,…

A: Please see the answer below.

Q: For the data described​ below, identify the level of measurement as​ nominal, ordinal,​ interval, or…

A: Q) For the data described​ below, identify the level of measurement as​ nominal, ordinal,​ interval,…

Q: You can calculate an average/mean of qualitative data. True or False

A: mean , median and measure of spread  can't be calculated for qualitative data, because no natural…

Q: The lives (in hours of continuous use) of 100 randomly selected flashlight batteries are: Interval…

A: According to the given data, first form the following table:IntervalFrequency(fi)Midpoint(xi…

Q: Explain Both Absolute and relative measure of dispersion with suitable examples.

A: dispersion means "spreadness" of the 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: For this question, use the file titled Practice_data_2.csv in D2L. The file comprises of the age,…

A: Loading the data in R:

Q: ) 5.2°F per month

A:

Q: b) The amount of money earned in a day by Ms. Anne's craft shop was recorded and displayed in the…

A: Note: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts…

Q: A sociologist randomly selects 372 females 15 to 19 years old and asks each to disclose her family…

A:

Q: how do I describe the "measures of center and variability" of a chart?

A: The commonly used measures of center tendency are, Mean Median Mode In charts like histogram, the…

Q: Identify the methods of computing dispersion?

A: The objective of the question is to identify the various methods used in statistics to compute…

Q: North Salinas Price Sq Feet Beds 535 2473 4 389 1118 2 229 459 440 285 439 495 295 347 549 599 500…

A: Given: n = 24 Formula Used: Correlation coefficient r = n∑XY-∑X∑Yn∑X2-∑X2n∑Y2-∑Y2 Test-statistic t =…

Q: Which point would most likely be considered an outlier if it was added to the data in the table?…

A: In statistics, an outlier can be defined as a data point that differs significantly from other…

Q: Which univariate graph for frequency would be reasonable to use to depict continuous data? Histogram…

A: Histogram is a graphical representation to display continuous data. In histogram, there is no gap…

Q: In a car factory, we have many shift supervisors whom the distribution of their weekly wages follows…

A: Given info: Z-score is -0.72, mean is 598, and the standard deviation is 16.

Q: o these calculations using Excel, a graphing calculator, or an app. Type the data in different…

A: The number of observations is 6.

Q: mode =  median =  mean =

A: Given Data Frequency Mid point Midpoint*Frequency Cummulative frequency 50 - 54 2 52 104 2 55…