Question 5 A study was carried out to determine the influence of a trace element found in soil on the yield of potato plants grown in that soil, defined as the weight of potatoes produced at the end of the season. A large field was divided up into 14 smaller sections for this experiment. For each section, the experimenter recorded the amount of the trace element found (in milligrams per metre squared) and the corresponding weight of the potatoes produced (in kilograms). This information is presented in the worksheet 'Dataset5' in the Excel document. Define X as the trace element amount and Y as the yield. 1. Draw a scatterplot of your data set. Page 5 2. Set up the framework for an appropriate statistical test to estab- lish if there is a correlation between the amount of the trace ele- ment and the yield. Explain how having the scatterplot referred to above and having the value of r in advance would influence the structure of your statistical test. 3. Calculate the correlation coefficient for the paired data values. 4. Carry out and state the conclusion of your test on the correlation. 5. Calculate the coefficients of a linear equation to predict the yield Y as a function of X.

Q: Question 12

A: Given: Value of the trading card = $155 (in 2009) Each year increases by = 4.8% = 0.048 To…

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A: For Group : Dominant Individual Standard Deviation, s: 0.05410 Count, N: 9 Sum, Σx: 2.755…

Q: Question 6 part 1,2,3

A:

Q: parts iv and v please

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A: The given data

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A: According to the sign chart, we have

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A:

Q: Question 12

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Q: Question 20

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A:

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A: The given equation is:  -3   2÷-10    7

Q: Part 1,2,3

A: The point is, 6,-2 So, the point is in 4th quadrant.

Q: question

A:

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A:

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A:

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A:

Q: Example 3: Calculate the 5-number summary for both the first and second attempts.

A: Column1   Column2   first attempt    second attempt    Mean 42.5 Mean 37.5 Standard Error…

Contingency Table

A contingency table can be defined as the visual representation of the relationship between two or more categorical variables that can be evaluated and registered. It is a categorical version of the scatterplot, which is used to investigate the linear relationship between two variables. A contingency table is indeed a type of frequency distribution table that displays two variables at the same time.

Binomial Distribution

Binomial is an algebraic expression of the sum or the difference of two terms. Before knowing about binomial distribution, we must know about the binomial theorem.