The relative frequency of a class in a frequency distribution is 0.2. If the distribution has a total of 50 observations, then the frequency of the class is, a. 25 О Ь. 15 О с. 10 O d. 12
Q: What is the class width? O A. the difference between the largest frequency and the smallest…
A: The “class width” is the distance between the lower limits of consecutive classes.
Q: Consider the given data. Prepare a frequency table by using 5 classes. Draw the histogram. According…
A: Given data 17 17 17 18 18 19 19 19 19 20 22 22 24 24 27 27 29 32 37 46 To draw a histogram, we need…
Q: You are given the following frequency distribution. Class Frequency A 15 В 20 30 35
A: Given that,
Q: One of the following is a measure of location Select one: O a. mean O b. skewness O c. coefficient…
A: Statistics is defined as the collection, presentation, interpretation of the data and presentation…
Q: The following table gives the mean and S.D. for two groups X and Y. Find the Combined S.D. of these…
A: Introduction WehWe given the mean and Standard Deviation for two groups X and Y. We have to find the…
Q: A) from the bellow table find the Mean? En=37 Classes 1-6 7-12 13-18 19-24 25-30 31-36 37-42…
A:
Q: rom a survey of the length of daffodil stems, a botanist created a histogram showing their size…
A: The given histogram represents the lengths of daffodil stems.
Q: Find the median for the given frequency distribution. O A. 2.5 VatueFrequency 8. О В. 4 ОС. 3.5 12…
A: Given:
Q: Find the mean of the following frequency distribution: Frequency 2 X 1 2 3 4 5 2 3
A: Given: Frequeny distribution x Frequency 1 2 2 5 3 2 4 3 We are required to calculate:…
Q: What is the median of these movie ratings? 1 OA. 3.5 OB. 4 OC. 5.3 OD. 5.5 2 3 4 7 10 10
A: Seven movie ratings are given.
Q: b. How many non-borrowers are males? E c. What percentage of females borrow books? E% Round to two…
A: given data 240 total users 113 male 84 borrower 77 of non borrower are female
Q: A. Convert the following x-values to z-values if the mean = 48 and SD = 7 1.) x 2 55.6 2.) 43.1 <x<…
A:
Q: In the table below you find T-shirt sizes for a sample of students, in which the following coding is…
A: Solution: Let 1=S, 2=M, 3=L, 4=XL, 5=XXL. The given data is 4, 2, 3, 4, 3, 1, 1, 3, 3, 2, 2, 3, 3,…
Q: I. Consider the test results in Statistics of 50 students. Range= ci= 88 62 63 88 65 W= ec 84 80 85…
A: Data888560756355786486416283467889624147555263768587636251487672887271706083565452436563674273798077…
Q: 2. For the following frequency distribution, what is the value of ZX? a. 35 b. 14 C. 10 d. 25
A: Frequency distribution table is given.
Q: The relative frequency of a class in a frequency distribution is 0.2. If the distribution has a…
A: Answer: ⊙ b. 10 The frequency of the class is 10.
Q: What is the approximate interquartile range of exam scores? a. 85 b. 17 c. 72 d. Not…
A: Answer: From the given boxplot, We get the approximate values as Quartile 1 (Q1) = 73 Quartile 3…
Q: Each of 7 students reported the num 9,12,7,16,11,17,20 Send data to calculator Find the mean number…
A: The number of observations is 7.
Q: A simple qualitative data set has been provided. Complete parts (a) through (d) for this data set.…
A: Solution: Given information: The qualitative data set is A B C D E B C D D B
Q: A. Make a frequency table for the systolic blood pressure for all subjects. Use 70 -89 as your first…
A: Histogram A histogram is a way to represent the dataset graphically. It is used to summarize the…
Q: Here are several scatterplots. The calculated correlations are 0.777, -0.021, 0.951, and - 0.923.…
A:
Q: A) The time spent (in seconds) by 20 peoples in a queue at a bank, waiting to attend an ATM were:…
A: (Since it has been not mentioned which question so, as per our protocol we shall only answer the…
Q: How many classes a frequency distribution should have а. Neither very large nor very small number b.…
A: Introduction The given question on frequency distribution is a multiple choice question. So in the…
Q: Which of the following is a true statement comparing the water bills of the two neighborhoods? More…
A: Histogram : It represents the data using bars.
Q: and test for a difference. Pepperoni 320 Sausage 275 Cheese Total Observed 251 Expected
A: It is given that, Observed value of Pepperoni =320 Observed value of Sausage = 275 Observed value…
Q: Use the following information to answer the question. A researcher wants to study whether there is…
A: The row total is the sum of the row elements and column total is the sum of the column elements.
Q: Moving to another question will save this response. Question 1 Use the given frequency distribution…
A: Class width is the lower limit of second class - lower limit of the first class.
Q: Match each scatterplot shown below with one of the four specified correlations. a. 0.38 b. -0.90 c.…
A: The best suited possible values for the coefficient of correlation are to be assigned to the…
Q: 12 11 10 9 8 7 6 5 4 3 2 1 1 0 0 0 1 0 0 2 2 3 2 2 2 For these data, calculate the variance, o².…
A:
Q: B. Present these given Math grades of high school students in the indicated data organization. 89 79…
A: Data 67 75 75 75 76 76 77 79 79 80 80 80 80 81 82 82 83 84 84…
Q: Find the median for the give frequency distribution. O A. 35 VatueFrequency O B. 44 20 4 OC. 40 30…
A: Total Frequency= (4+6+5+3+1) n= 19
Q: If the coefficient of correlation is -0.60, then the coefficient of determination is: a. -0.60 b.…
A: Answer:- Given, The coefficient of correlation is -0.60 . Using formula, The coefficient of…
Q: The followmg distrioukion has a mean of 5,7 a. Find the value of x. 2. 5. X46 score: froquency: 2.…
A: From the provided information, Score 2 5 x x+6 Frequency 3 2 4 1
Q: Which of the following is the best estimate for the correlation r of the data in the scatterplot…
A: Solution: Given graph
Q: a) The following frequency distribution shows the 50 objects of masses measured nearest to grams.…
A: Draw a histogram for the given data: EXCEL software is used to draw the histogram. Software…
Q: Use the frequency distribution table to answer letters to a and d. Scores of Freshman Students in a…
A: Given information: The data relating to the student are, Scores 72-78 65-71 58-64 51-57 44-50…
Q: In statistics, meaningful information regarding a certain variable can be obtained from the ..…
A: Answer - In statistics, meaningful information regarding a certain variable can be…
Q: nts) the table below shows the number of books the Jefferson Middle school students read each month…
A: Given information: Months=September, October, November, December, January, February, March, April,…
Q: Q.1:The weights of 40 male students of a university are given in the following frequency table. Find…
A: Q1: The weights of 40 male students of a university are given in the following frequency table. We…
Q: 2. A group of adults where asked how many cars they had in their household a. Complete the frequency…
A: Consider the given equation: Here, the given data of cars they had in their household,
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- 13. Find each of the following values for the distribution shown in the following polygon. а. п b. ΣΧ c. ΣΧ 7 6 f 4 3 2 1 2 3 4 5 6 17. С 14. Place the following scores in a frequency distribution table. Based on the frequencies, what is the shape of the distribution? 13, 14, 12, 15, 15, 14, 15, 11, 13, 14 11, 13, 15, 12, 14, 14, 10, 14, 13, 15Find the mean of 5,10,15,20 and 25 A) add 10 to each value and find the mean.......A researcher is interested to explore which major is more attractive to students studying in Education college. I suggest to use . o present the distribution of students according to the departments of the college. Select one: O A. Histogram Chart о в Pareto O C. Chart Bar O D. Pie Chart
- 3:34 İ. Construct a simple frequency distribution for grouped data; display your findings in a table (number of intervals should be 5) ii. Add a column to your table with the cumulative frequency (bottom up). iii. Add a column to your table with the relative frequency. iv. Add a column to your table with the relative percent. v. Add a column to your table with the cumulative percent. vi. Construct a histogram that distributes the intervals along the horizontal scale (x-axis) and list the frequency of scores in each interval on the vertical scale vii. Construct an Ogive for this data. Grade 95 94 65 77 69 45 54 88 75 39 15 56 63 93 84 70 63 52 79 81 87 69 99 48 65 83 44 5G 91 35 57 60The correlation between midterm and final grades for 300 students is 0.620. If 5 points are added to each midterm grade, the new r will be: a. 0.124 b. 0.57 c. 0.62 d. 0.744Construct a frequency distribution for the data using five classes. Describe the shape of the distribution. The ages of dishwashers (in years) in 20 randomly selected households are shown below. 9 13 5 15 12 6 4 9 11 1 7 898 7 6 8 8 21 OA. bell shaped OB. skewed to the left OC. skewed to the right O D. uniform
- After recording the final grade (A, B, C, D, E) for each individual in a class of n = 26 students, the professor would like to display the grade distribution in a frequency distribution graph. What kind of graph should be used? Question 15 options: A bar graph A histogram A polygon Either a histogram or a polygonA survey was taken on how much trust people place in the information they read on the Internet. Construct a categorical frequency distribution for the data. A trust in all that they read, M trust in most of whathey read, H trust in about one-half of what they read, S trust in a small portion of what they read. M H M S M M A M I H. H. H H M H M S M M S M S Σ Σ ΣΙΣΣ ΣΣΣ οAnswer all questions
- is a graph showing the number of observations in each class of a frequency distribution. O a histogram O b. polygon O c. frequency distribution O d. relative frequency distributionUse the data set listed and technology to create frequency histograms with 5, 10, and 20 classes. D 16 Frequency O C. 8 Frequency 12 4 10 1 1 04 8 12 16 Data Value 12 0 4 8 12 16 20 Data Value 1 4 8 12 16 20 Data Value 4 12 5 15 Create a histogram with 10 classes. Choose the correct histogram below. O A. 5 85 55 82 9 66 9 13 15 10 0 в. OD. Frequency Frequency 104 1954NG 648 12 16 Data Value TH 0 4 8 12 16 20 Data Value 10+ TU 4 8 12 16 20 Data Value G E
