Statistics : Coin Flips and Scatter Diagram (Scatter-Plot)

12. 10 homeowners were randomly selected from the population of homeowners in Charlotte. The table below shows the tax value and 2005 gross income for each homeowner, both in 1 000s of $. Draw a scatter diagram for this sample.
tax value
[TABLE]
13. If a fair coin is tossed 5 times, what is the probability that it will land heads up all 5 times?

14. If a biased coin, with p(Heads) = .6 is tossed 10 times.
(a) What is the probability it will land heads up 7 out of those 10 times?
(b) What is the probability it will land tails up 7 out of 10 times?

15. In a state of West Dakota, automobile license plates consist of any 3 capital letters of the alphabet followed by any 3 digits 0? 9. How many different license plates can West Dakota issue?
16. If a card is drawn randomly from a standard playing deck.
(a) What is the probability that it is a red card?
(b) What is the probability that it is a face card (J, Q, K) given that it is a heart?
(c) What is the probability that it is a heart given that it is a face card?
(d) What is the probability that it is a queen given that it is a face card?
(e) What is the probability that it is a face card given that it is a queen?
17. How many different ways to arrange 8 people in a photograph so that the 3 short people are in the front row and the 5 tall people are in the back row?

Using excel, develop a scatterdiagram for the following sample data. How would you describe the relationship between the values?
X- Value
10, 8, 9, 11, 13, 11, 10, 7,7, 11
Y-Value
6, 2, 6, 5,7,6, 5, 2, 3, 7

1. Find the mean of the distribution shown.
x 1 2
P(x) 0.31 0.69
A) 0.96
B) 1.42
C) 1.18
D) 1.69
2. For a normal distribution with mean 5 and standard deviation 6, the value 11 has a z value of
A) -1
B) 1
C) 2
D) 3
3. If the standard deviation of a probability dis

I need to show a scatterdiagram using the molecular weight as my x-axis.
Consider the following data on 20 chemical reactions, with Y = chromatographic retention time (seconds) and X = molecular weight (gm/mole). (a) Make a scatter plot. (b) Use Excel to fit the regression, with fitted equation and R2. (c) In your own words,

A major oil company is studying the relationship between the daily traffic count and the number of gallons of gasoline pumped at company stations. A sample of eight company owned stations is selected and the following information obtained:
a) develop a scatterdiagram with the amount of gasoline pumped as the dependent variab

Here is the data:
Mean daily calories | Infant Mortality Rate (per 1,000 births)
1523 | 154
3495 | 6
1941 | 114
2678 | 24
1610 | 107
3443 | 6
1640 | 153
3362 | 7
3429 | 44
2671 | 7
a) For the above data construct a scatter plot using SPSS or Excel. What does the scatter p

Given are five observations for two variables x and y. (see attached for details)
x y
1 3
2 7
3 5
4 11
5 14
A. Develop a scatterdiagram for this data.
B. What does the scatterdiagram in part A indicate about the relationship between the two variables?
C. Try to aproximate the relationship between x and y by drawin

Question 1: Problem 2.13 from the text. Use Excel to construct your scatter plot. Write your answers to the questions in a word document. Include the scatter plot you created in your word document.
Question 2: Problem 2.37 from the text. Use Excel to construct a scatter plot. Compute the correlation coefficient by using colum