Use a dot plot to display the data, which represent the systolic blood pressures (in millimeters of mercury) of 24 patients at a doctor's office. Describe any patterns.120 135 140 145 130 150 120 170 145 125 135 110160 180 200 150 200 135 200 120 130 170 165 140Which dot plot below displays the data?A.105 115 125 135 145 155 165 175 185 195 205105 115 125 135 145 155 165 175 185 195 205What best describes the data?O A. Most of the values are greater than 150.B. Most of the values are between 120 and 150.C. The values are evenly spread from 110 to 200.D. Most of the values are between 140 and 180.B.O D.105 115 125 135 145 155 165 175 185 195 205Г-Т105 115 125 135 145 155 165 175 185 195 205Q✪

Answered: Use a dot plot to display the data,…

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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A sample of blood pressure measurements is taken for a group of adults, and those values (mm Hg) are listed below. The values are matched so that 10 subjects each have a systolic and diastolic measurement. Find the coefficient of variation for each of the two samples; then compare the variation. Systolic 118 127 160 94 155 122 116 137 124 119 Diastolic 82 77 72 50 89 89 59 65 72 82
The height of bedridden patients is often estimated from the length of the patient's ulna, the distance between the point on the elbow and the prominent bone on the wrist. Eight men over the age of 65 had both their height (in centimeters) and the length of their ulna (in centimeters) measured. The data are given in the table below. Ulna length (cm) 20 23 24 26 27 29 30 31 Height (cm) 160 163 166 168 171 178 182 186 Let x denote a patient's ulna length (in cm) and y denote the patient's height (in cm). Assume that the population distributions for both ulna length and height are approximately normal. The following summary measures were obtained from the data. X = 26.25, ỹ = 171.75, SSxx = 99.5, SSyy= 609.5, SSxy= 238.5 ху We wish to find the least squares regression line for the data in this table using ulna length as an independent variable and height as a dependent variable. Estimate the y-intercept of the least squares regression line. Enter your answer using three decimal places.
Please answer all these questions and label, data included: Size($) Rent(sq.feet) 850 1950 1450 2600 1085 2200 1232 2500 718 1950 1485 2700 1136 2650 726 1935 700 1875 956 2150 1100 2400 1285 2650 1985 3300 1369 2800 1175 2400 1225 2450 1245 2100 1259 2700 1150 2200 896 2150 1361 2600 1040 2650 755 2200 1000 1800 1200 2750 10. Based on all of the above questions, what will you conclude about the relationship between house size and rent price? 11. Construct a 95% confidence interval estimate of the population slope, β1. 12. Construct a 95% confidence estimate of the mean renting cost of a house that is 2000 square feet. 13. Construct a 95% prediction interval of the renting cost of an individual house that is 2000 square feet.
The accompanying data table contains the prices and weights of the diamonds in 10 rings offered for sale. The prices are 4 carats an Xough d belo Data (Daund both The weight in carats and price in dollars for 10 diamond rings Weight 0.29 0.32 0.34 0.17 0.36 0.36 0.12 0.14 0.23 0.26 Price 924 881 1,039 445 1,073 1,034 120 320 665 733 Print Done - rings. ble.
Following are the GPA's of the 30 students from a certain university who participated in a track meet. Draw a dot plot to better display the data. 3.2, 2.8, 2.0, 1.9, 3.0, 3.2, 2.9, 2.2, 2.1, 4.0, 3.5, 3.0, 3.1, 2.1, 3.5 O 4.0, 3.1, 3.3, 2.8, 3.9, 3.9, 3.7, 2.4, 2.9, 3.7, 2.7, 3.0, 2.7, 2.9, 3.9 Select the correct graph below. O A. OB. XX XX XXXXX X X XX x x XX XXXXXXX x x Xx XXXXXX XXX XXXXXX x x Xx XXXX X 15 25 35 1.5 25 35 OC. OD. XX XXX XXXXXXX x x XX XX XX X X X X Xx x x XXX X 15 25 3.5 1.5 25 3.5 Click to select your answer. Prt Scn, Home End DII F3 F5 * F2 F4 F1 & #3 %24
Data was collected for 300 fish from the North Atlantic. The length of the fish (in mm) is summarized in the GFDT below. Lengths (mm) Frequency 160 - 162 1 163 - 165 16 166 - 168 71 169 - 171 108 172 - 174 83 175 - 177 18 178 - 180 3 What is the class midpoint for the sixth class?class midpoint =
Using the given data, find the following. 468 324 175 439 407 355 261 436 435 135 220 Send data to Excel Part: 0/ 2 Part 1 of 2 Identify the five-number summary. Round your answers to one decimal place as needed. De, - MD = Oe, -High = Low = %3D
The data represents the heights of eruptions by a geyser. Use the heights to construct a stemplot. Identify the two values that are closest to the middle when the data are sorted in order from lowest to highest. Height of eruption (in.) 65 31 50 90 80 50 40 70 67 73 52 50 54 68 63 60 Which plot represents a stemplot of the data? OA. 3 4023578 50037 6008 70034 80 90 B. 31 4 03 5 00024 603578 70037 808 90 Identify the two values that are closest to the middle when the data are sorted in order from lowest to highest. The values closest to the middle are ☐ inches and ☐ inches. (Type whole numbers. Use ascending order.) C. 3 034 4 025 5 007 6003 7 008 8 037 9 08 77 70 43 88
(c) Are your estimates in parts (a) and (b) upper and lower estimates? Ex- plain. (A) (b) is a lower estimate and (a) is an upper estimate since v is a decreasing function of t. (B) (a) is a lower estimate and (b) is an upper estimate since v is an increasing function of t. (C) (a) and (b) are neither lower nor upper estimates since v is neither an increasing nor decreasing function of t. (d) Let's find an overestimate and underestimate of the distance traveled by the motorcycle during this time period.
Brand A vitamins 505 506 502 S04 503 S01 S00 497 198 amount of Vitamin C in each pill was measured and plotted. From this dot plot, find the median, quartiles, and interquartile range: 494 196 495 40 samples of Vitamin C pills were 493 492 Milligrams of vitamin C taken from bottles of Brand A and the Quartile 1: Median: Quartile 3: Interquartile Range: 507 0odso 00od 000od 00od
A sample of blood pressure measurements is taken for a group of adults, and those values (mm Hg) are listed below. The values are matched so that 10 subjects each have a systolic and diastolic measurement. Find the coefficient of variation for each of the two samples; then compare the variation. Systolic 119 129 160 97 154 122 117 137 125 118 D Diastolic 80 74 73 54 88 90 58 66 71 81 The coefficient of variation for the systolic measurements is %. (Type an integer or decimal rounded to one decimal place as needed.) The coefficient of variation for the diastolic measurements is %. (Type an integer or decimal rounded to one decimal place as needed.) Compare the variation. The coefficients of variation for each data set are Therefore, the systolic measurements vary V the diastolic measurements.

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