The following data represents the number of cigarettes smoked per day for a sample of 18...
The following data represents the number of cigarettes smoked per day for a sample of 18 teenagers, each of whom identifies as a smoker:
26 15 21 26 9 31 20 30 21 0 19 25 16 32 14 27 28 18
- CALCULATE THE QUARTILES AND INTERQUARTILE RANGE FOR THIS DATA
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The following data represents the number of cigarettes smoked
per day for a sample of 18...
For the data listed(assume sample). a.) Find the following: Mean Mode Median Midrange Range Quartiles Variance...
For the data listed(assume sample). a.) Find the following: Mean Mode Median Midrange Range Quartiles Variance Standard Deviation BoxPlot b.) Create a frequency distribution When creating classes use the formula from the Notes on how classes to create. 17 23 14 16 12 26 20 22 14 15 22 18 18 21 21 19 15 21 18 17 15 25 14 30 16 10 20 12 16 17.44 16 14 15 20 20 16 17 16 15 15 19 48...
Suppose the following data set gives the age a person first receives a winning lottery ticket....
Suppose the following data set gives the age a person first receives a winning lottery ticket. Use JMP to answer the questions below. Use JMP to answer the questions below. 35 43 16 30 20 32 25 26 32 30 18 35 21 27 34 5 38 31 38 41 15 22 28 38 a. find P15* b. in the context of this problem, interpret P15* c. find the quartiles d. find the interquartile range e. interpret the interquartile range...
Q1) Twenty six smokers were surveyed to ascertain the number of cigarettes each smoked for a 1 we...
please answer 1 and 2 in detail
Q1) Twenty six smokers were surveyed to ascertain the number of cigarettes each smoked for a 1 weelk period. The results are as follows: 44 39 37 21 31 28 44 29 30 52 40 20 24 32 22 27 50 43 26 37 26 51 34 27 33 25 Create a frequency distribution with 5 classes using the headings: #ofcigarettes. Frequency(), Cumulative Frequency (c), and relative frequency (r). Show details of your...
In 2020, the property tax has been increased across the states in the U.S.A. Below is...
In 2020, the property tax has been increased across the states in the U.S.A. Below is the sample data of property tax increases (35 states, percentages): 10, 15, 17, 18, 29, 15, 17, 18, 16, 24, 13, 38, 49, 29, 14, 25, 21, 14, 35, 37, 38, 10, 19, 28, 17, 19, 24, 31, 32, 25, 26, 28, 19, 17, 24 Variance (10pts) Standard Deviation (6pts) Percentile 35(6pts) Deciles 4 (5pts) Quartile 3 (6pts) Interquartile Range (10pts)
A particular paper included the accompanying data on the tar level of cigarettes smoked for a...
A particular paper included the accompanying data on the tar level of cigarettes smoked for a sample of male smokers who subsequently died of lung cancer. Assume it is reasonable to regard the sample as representative of male smokers who die of lung cancer. Is there convincing evidence that the proportion of male smoker lung cancer deaths is not the same for the four given tar level categories at the α-.05 level? (Use 2 decimal places.) Tar Level Frequency 0-7...
A researcher found that a cigarette smoker smokes on average 31 cigarettes a day. She feels...
A researcher found that a cigarette smoker smokes on average 31 cigarettes a day. She feels that this average is too high. She selected a random sample of 15 smokers and found that mean number of cigarettes they smoked per day was 28. The sample standard deviation was 2.4. At Alpha αequals 0.05 is there enough evidence to support her claim?Assume that the population is approximately normally distributed.
1 The following data represents the number of innings pitched by the ERA leaders for the...
1 The following data represents the number of innings pitched by the ERA leaders for the past few years 23, 30, 20, 27, 44, 26, 35, 20, 29. 29, 25, 15, 18, 27, 19, 22, 12, 26. 34. 15. 27, 35, 26, ald43 35, 14, 24, 12, 23. 31, 40. 35, 38, 57, 22. 42, 24, 21, 27, 33 1. Find the value that corresponds to the 70th percentile. 2. Identify all the outiiers 3. Construct a boxplot for the...
Sample Data Sample Data Hour Sample Taken Hour Sample Taken 1 4 5 X 1 3...
Sample Data Sample Data Hour Sample Taken Hour Sample Taken 1 4 5 X 1 3 1 42 2 3 4 5 6 2 39 36 25 60 28 53 22 56 41 34 43 45 59 42 36 40 45 39 48 26 42 34 61 48 45 29 3 31 61 38 40 54 26 38 42 37 41 53 37 47 41 37 29 20 26 43 38 33 37 37 35 33 36 41 25 37...
1. The following data set contains miles per gallon (MPG) for U.S. cars (sample 1) and...
1. The following data set contains miles per gallon (MPG) for U.S. cars (sample 1) and for Japanese cars (sample 2). Find the sample mean and sample standard deviation of each sample. Then perform a t-test to identify whether there is a statistically significant difference in mean MPG between the two samples. Use a significance level of 0.05. Using the result comment whether the country of manufacture is a significant effect for the response (MPG) U.S Cars Japanese Cars 18...
Therefore, for this program you will read the data in the file named weatherdata_2.txt into arrays...
Therefore, for this program you will read the data in the file named weatherdata_2.txt into arrays for the wind speed and for the temperature. You will then use the stored data to calculate and output the average wind speed and the average temperature. Create a constant with a value of 30 and use that to declare and loop through your arrays and as a divisor to produce your averages. Here is the data file (below). 1. 14 25 2. 12...
please answer 1 and 2 in detail
Q1) Twenty six smokers were surveyed to ascertain the number of cigarettes each smoked for a 1 weelk period. The results are as follows: 44 39 37 21 31 28 44 29 30 52 40 20 24 32 22 27 50 43 26 37 26 51 34 27 33 25 Create a frequency distribution with 5 classes using the headings: #ofcigarettes. Frequency(), Cumulative Frequency (c), and relative frequency (r). Show details of your...
A particular paper included the accompanying data on the tar level of cigarettes smoked for a sample of male smokers who subsequently died of lung cancer. Assume it is reasonable to regard the sample as representative of male smokers who die of lung cancer. Is there convincing evidence that the proportion of male smoker lung cancer deaths is not the same for the four given tar level categories at the α-.05 level? (Use 2 decimal places.) Tar Level Frequency 0-7...
1 The following data represents the number of innings pitched by the ERA leaders for the past few years 23, 30, 20, 27, 44, 26, 35, 20, 29. 29, 25, 15, 18, 27, 19, 22, 12, 26. 34. 15. 27, 35, 26, ald43 35, 14, 24, 12, 23. 31, 40. 35, 38, 57, 22. 42, 24, 21, 27, 33 1. Find the value that corresponds to the 70th percentile. 2. Identify all the outiiers 3. Construct a boxplot for the...
Sample Data Sample Data Hour Sample Taken Hour Sample Taken 1 4 5 X 1 3 1 42 2 3 4 5 6 2 39 36 25 60 28 53 22 56 41 34 43 45 59 42 36 40 45 39 48 26 42 34 61 48 45 29 3 31 61 38 40 54 26 38 42 37 41 53 37 47 41 37 29 20 26 43 38 33 37 37 35 33 36 41 25 37...
1. The following data set contains miles per gallon (MPG) for U.S. cars (sample 1) and for Japanese cars (sample 2). Find the sample mean and sample standard deviation of each sample. Then perform a t-test to identify whether there is a statistically significant difference in mean MPG between the two samples. Use a significance level of 0.05. Using the result comment whether the country of manufacture is a significant effect for the response (MPG) U.S Cars Japanese Cars 18...
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