PROBLEM SET NUMBER 5: Measure of Position for Ungrouped Data.Consider the following data set below.Data set 1 x: 91, 85, 76, 54, 34, 56, 23Data Set 2 x: 100, 102, 89, 74, 89, 89, 78, 95, 75, 74, 89, 100, 120, 56, 89, 105, 96,94Data Set 3 x: 2,5.16,3.14, 3.16,1,2,4.33,√√3Compute the following in each data set.6. 75th Percentile7.6th Decile8. 23rd Percentile9.58th Percentile10. Mid - quartile

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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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3. The number of goals scored by Wayne Gretzky was recorded for seasons 1978 – 1999. (Please note the data set has been ordered from smallest to the largest for your convenience). 5, 9, 11, 16, 23, 23, 31, 38, 40, 40, 41, 46, 51, 52, 54, 55, 62, 71, 73, 87, 92 A. Construct a stem-and-leaf display for the data and describe the shape of the distribution (symmetric, skewed left, skewed right, bell-shaped, etc., any obvious outliers). B. What is the fraction of the data that is less than or equal to 31? C. Given that Ex, = 920 and Ex = 52 436 find the mean and standard deviation. D. Find the (i) median, (ii) Q1, (iii)Q:, (iv) the interquartile range (IQR), (v) the lower and upper fences. E. Construct a Box-plot for the data. What are your conclusions about the shape of the distribution? Compare with the results in Part A. F. Would the mean or the median be the most suitable measure to use to represent the central location of this distribution? Give reasons for your answer.
Find the mode of the given data 1,8,6,4,9,6,4,5,6,5,4,6,6
Enter the data in SPSS or EXCEL Merge the two data sets Once you have entered all the data, create a table to display the information Use any graphical method to present the data Comment on the findings Country May June July August Sept October Uganda 947 57 63 117 37 90 Kenya 411 42 55 100 85 49 Tanzania 521 72 02 116 52 46 Rwanda 753 55 15 89 4 14 Burundi 964 52 1 122 70 33 Ethiopia 327 6 26 135 17 24 Congo 967 6 7 113 90 53 Somalia 670 21 5 24 28 75 Eritrea 379 28 3 16 39 85 Country May June July August Sept. Oct. Sudan 39 5 38 11 82 86 Chad 44 10 93 11 101 187 Mali 25 30 67 21 132 82 Benin 47 37 44 10 44 21 Togo 49 31 116 11 31 18 Niger 23 40 37 13 88 18 Gambia 39 49 90 21 130 139…
Data: 3.5, 3.2, 3.1, 3.5, 3.6, 3.2, 3.4, 2.9, 4.1, 2.6, 3.3, 3.5, 3.9, 3.8, 3.7, 3.4, 3.6, 3.5, 3.5, 3.7, 3.6, 3.8, 3.2, 3.4, 4.2, 3.6, 3.1, 2.9, 2.5, 3.5, 3.1, 3.2, 3.7, 3.8, 3.4, 3.6, 3.5, 3.2, 3.6, 3.8 Sketch a histogram with ranges of 0.1, from minimum (2.5) to maximum (4.2) values. Then sketch a histogram with ranges of 0.3. You can include the relative frequency scales on the same sketches.
Please help on parts f, g, and h (subpart 3)
In a study, researchers wanted to measure the effect of alcohol on the hippocampal region, the portion of the brain responsible for long-term memory storage, in adolescents. The researchers randomly selected 23 adolescents with alcohol use disorders to determine whether the hippocampal volumes in the alcoholic adolescents were less than the normal volume of 9.02 cm. An analysis of the sample data revealed that the hippocampal volume is approximately normal with no outliers and x 8.18 cm and s=0.8 cm. Conduct the appropriate test at the a= 0.01 level of significance. State the null and alternative hypotheses. Ho: H H1: (Type integers or decimals. Do not round.) Identify the t-statistic. to = (Round to two decimal places as needed.) !! Identify the P-value. P-value = (Round to three decimal places as needed.) Make a conclusion regarding the hypothesis. the null hypothesis. There sufficient evidence to claim that the mean hippocampal volume is cm³ Statcrunch Next 8:01 SAMSUNG esc @ %23 $…
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Use the following data set: 13, 8, 10, 7, 13, 9, 7, 11, 12, 10, 13 to answer questions The mode Select one: O a. 10&13 O b. 13 O c. no mode O d. 10 Clear my choice
What is the mode of the following data set 4, 6, 5, 3, 5, 8, 7, 3, 7, 6, and 3? a. 6 b. 7 c. 5 d. 3
Identify the type of mode in the following data. 85, 98, 58, 90, 78, 92, 87, 80, 82, 91, 97, 89, 95, 88. O a. No mode O b. Multimodal data O c. Bimodal data O d. Unimodal data
In IBM SPSS, what does clicking on this icon do?
Use the given minimum and maximum data entries, and the number of classes, to find the class width, the lower class limits, and the upper class limits. minimum=9, maximum=53, 7 classes. What is the class width?

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