In the following table x is a random variable representing the number of trees permile of road on randomly selected streets with a 25 mph speed limit in a major city while yrepresents the average speed of cars in mph sampled over a one-hour period at the same timeof day.XY45 10 25 15203050 40 45 25a) |Draw a Scatter Diagram of the data. Remember to label the axes appropriately andchoose a consistent scale.Nb) ( ;) Based on the scatter diagram, would you estimate the correlation coefficient to bepositive, close to zero, or negative?

The data values of X and Y are: X 45 10 25 15 30 Y 20 50 40 45 25

Answered: In the following table x is a random…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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PLS HELP 2
Use the accompanying data set to complete the following actions. a. Find the quartiles. b. Find the interquartile range. c. Identify any outliers. 42 50 37 44 41 38 39 48 44 38 35 55 44 36 15 51 38 49 29 29 a. Find the quartiles. The first quartile, Q1, is _____. The second quartile, Q2, is ____. The third quartile, Q3, is ____. (Type integers or decimals.) b. Find the interquartile range. The interquartile range (IQR) is _____. (Type an integer or a decimal.) c. Identify any outliers. Choose the correct choice below. A. There exists at least one outlier in the data set at____. (Use a comma to separate answers as needed.) B. There are no outliers in the data set.
Use the accompanying data set to complete the following actions. a. Find the quartiles. b. Find the interquartile range. c. Identify any outliers. 54 58 58 58 57 55 56 56 60 55 64 61 55 63 77 O a. Find the quartiles. The first quartile, Q1, is The second quartile, Q2, is The third quartile, Q3, is (Type integers or decimals.) b. Find the interquartile range. The interquartile range (IQR) is|. (Type an integer or a decimal.) c. Identify any outliers. Choose the correct answer below. O A. There exists at least one outlier in the data set at (Use a comma to separate answers as needed.) O B. There are no outliers in the data set.
29
Let the height data (105)represent sample. Use an appropriate statistical test to check whether the population mean is different from 170 cm.Use α = 0.05.Also, write a substantive conclusion and explanation. Use an appropriate graph to check if data is normally distributed. Do it in R commander.
this only shows a but a b and c
Given the following box plot: 10 12 Determine the following: a. Min = b. Q1 = c. Median = d. Q3 = е. Мах - f. IQR = Q3 - Q1 = g. Range h. Which quarter has the smallest spread of data? 1st 2nd | 3rd 4th i. Which quarter has largest spread of data? 1st 2nd 3rd | 4th j. The percentage of data between the values 2 and 12. 0% |25% O 50% O75% O 100% k. The percentage of data between the values 12 and 13. 0% | 25% 50% 75% 100% O O O 0 O O 0 0
5:23 Pulse = 101 of ... 3.00-3.79 3.80-4.59 4.60-5.39 5.40-6.19 6.20-6.99 Pulse > 11 5 3 0 1 Chosen classes can vary. Aa 34. Twenty-nine executives reported the number of telephone calls made during a randomly selected week as shown here. Construct a stem and leaf plot for the data and analyze the results. 22 14 12 14 12 9 54 9 54 12 16 12 12 14 49 10 14 8 21 37 28 36 22 9 33 58 31 41 19 3 18 25 28 52 35. The National Insurance Crime Bureau reported that these data represent the number of 51 G
Use the accompanying data set to complete the following actions. a. Find the quartiles. b. Find the interquartile range. c. Identify any outliers. 41 50 35 43 41 37 41 46 43 39 36 54 42 35 15 53 37 49 29 29 a. Find the quartiles. The first quartile, Q₁, is 1. The second quartile, Q₂, is The third quartile, Q3, is (Type integers or decimals.) b. Find the interquartile range. The interquartile range (IQR) is (Type an integer or a decimal.) c. Identify any outliers. Choose the correct choice below. O A. There exists at least one outlier in the data set at (Use a comma to separate answers as needed.) OB. There are no outliers in the data set. 0 C
A different I/O psychologist wants to know if there is a difference in worker evaluations depending if the employee is a male or female. A group of managers were recruited and each rated both 15 men and 15 women employee evaluations on a scale of 0-10. The ratings on the worker evaluations were recorded for each manager. Which statistical test would be best to determine if there is a significant difference between groups? one-sample t-test dependent samples t-test ANOVA
The following stem-and-leaf plot is constructed using data collected from the speed (km/h) of cars passing through an intersection. Data values were rounded to one decimal place. Leaf Steam 50 51 52 53 54 55 9 0 1 1 0 1 7 5 2 1 2 7 5 5 1 3 Key: 50 | 9 = 50.9 km/h 7 6 2 7 7 5 a. How many cars were sampled? b. How many cars traveled through the intersection at 52.5 km/h? C. What is the highest speed (km/h) recorded? d. Is the distribution skewed positively or negatively? 9 6 6
Use the accompanying data set to complete the following actions. a. Find the quartiles. b. Find the interquartile range. c. Identify any outliers. 56 64 55 59 61 59 63 58 56 59 61 54 59 63 79 a. Find the quartiles. The first quartile, Q₁, is The second quartile, Q₂, is The third quartile, Q3, is (Type integers or decimals.) b. Find the interquartile range. The interquartile range (IQR) is c. Identify any outliers. Choose the correct answer below. (Type an integer or a decimal.) OA. There exists at least one outlier in the data set at (Use a comma to separate answers as needed.) OB. There are no outliers in the data set

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