Year t-test 1960 1970 1980 1990 2000 2005 2010 2011 2012 2013 2014 2015 Discarded Metallic Waste 0 10770000 10770000 60000 13290000 13350000 300000 13990000 14290000 2050000 10530000 12580000 2050000 10290000 12340000 2100000 11310000 13410000 2310000 12220000 14530000 2590000 11950000 14540000 2550000 12190000 14740000 2550000 12740000 15290000 2550000 12860000 15410000 2700000 13070000 15770000 mean x2 10000000 s2 variance2 0.2905547 t(critical value) 2.201 1410814.38 1.9904E+12 mew alpha alpha half 13800000 0.05 0.025 (0.025,11)

Q: Find Interquartile Range (IQR) for the following set of data: 22,32,37,33,33,40,39,47,38

A: We have given the data set: 22 32 37 33 33 40 39 47 38 n=9

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 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: Find Interquartile Range (IQR) for the following set of data: 44,30,22,25,50,22,42,47,20

A: According to the given information in this question We need to find the inter quartile range for the…

Q: Do histograms have to show grouped data? Can you use them for individual numbers as well as groups…

A: Introduction    from the above question we have to explain Do histograms have to show grouped data.…

Q: mode can be more than one in a data set but medium cannot.explain in two lines.

A: Mode: Mode is the most frequent observation in the data set. So, it is possible to have more than…

Q: Following partial box plot was obtained for a data set.

A: Note: Hi there! Thank you for posting the question. Since, the data points are not specified, this…

Q: write down the method of data collection from primary and secondary sources

A: Solution : Method of data collection from primary and secondary sources : 1) Primary 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: What type of Data is being shown

A: Given the histogram which is a visual representation of the data given. We have to write which type…

Q: College students and surfers Rex Robinson and Sandy Hudson collected data on the​ self-reported…

A: Given that :Long board :13,20,21,22,9,10,17,12,18,10,10,4,17,22,5,9,12,11,Short…

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: 4.39,4.47,4.21,3.86,3.72,3.64,3.77,4.60,3.82,4.87,3.94,2.91,4.88,4.21

A: Formula : CV = (standard deviation /mean)

Q: How can data be compared?

A: Here, we have to describe the different ways by which data can be compared.

Q: Explain when can we use data grouping?

A: when the data is large, then the data grouping is used. The general way of handling continuous…

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: 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: A student measuring how gasoline prices change records the cost of gas at 10 randomly selected…

A: Introduction Data are the nos. that are collected and analyzed to draw meaningful insight from it.

Q: Enter the mode of the following dataset: 14, 14, 14, 22, 22, 4, 18, 16, 10 Ex: 1

A: Given data is: 14, 14, 14, 22, 22, 4, 18, 16, 10

Q: Identify two main types of graphical displays that are used for qualitative data.

A: Qualitative variable: A variable that is used for classification of individuals based on some…

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: Find the following for the data set {2, 8, 10}

A:

Q: How do I attach an Excel or SPPS.sav data set to this question window?

A: Ensure that you have the field titles, i.e. variable names, in row 1 at the top of each column of…

Q: How do I create a histogram in excel?

A: Histogram: A histogram is a graphical representation of the numerical data. Histogram is one graph…

Q: Calculate the range of the following data set: 7,4,9,2,6,12,6,4,7

A: Given: Range of the following data: 7,4,9,2,6,12,6,4,7

Q: The mode for the data : 22,17,18,25,22,52,27,33 is equal to

A: From the given information,  it is clear that,  The data is, 22, 17, 18, 25, 22, 52, 27, 33 First we…

Q: This data type data is non-numbers, OR numbers that do not represent quantities.

A: Given: The description of the data that is provided in the given situation is as follows: 1) The…

Q: Explain why there is a need to present results/data through graphs and tables.

A: Tabulation is the process of condensing the classified data that helps in easy understanding and…

Q: Make a histogram graph and make table of required data

A: Fromm the given question, Lets data be as follows below:

Q: Mode can be more than one in a data set but medium cannot be.explain

A: Median: The median is the middle value in an ordered sequence of data. If there are no ties, half of…

Q: Describe of two examples of data sets for each of the four levels of measurement. Justify your…

A:

Q: Describe about the positively skewed shape of histogram.

A:

Q: What is ranked data?

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

Q: Differentiate between nominal data and ordinal data. Give at least two examples of nominal and…

A: Here we have to  Differentiate between nominal data and ordinal data.

Q: Determine the type of variation model that best fits the data in the attached image.

A: Enter the given table values in Excel and use the trend lines option to get the best fit as shown…

Q: 12 000+ 8000+ 4000- A B C City (a) What is the ratio of the heights of the 3 bars? (b) What is the…

A: Bar charts is a data visualization tool which is used to visualize the data which is numerical and…