25% of the 3rd Quarter grades in Mathematics of the Grade 10 Students is less than or equal to _____. (Round off your answer in nearest hundredths)
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- The table below contains the periodontal status of individuals and their sex. Periodontal status refers to gum disease where individuals are classified as either Healthy, have Gingivitis, or have Periodontal Disease (Perio). Female Male Total Healthy 2108 1124 3232 Gingivitis 1582 937 2519 Perio 873 931 1804 Find Pr{Gingivitis). If necessary, round your answer to 3 places after the decimal. Total 4563 2992 7555The table below contains the periodontal status of individuals and their sex. Periodontal status refers to gum disease where individuals are classified as either Healthy, have Gingivitis, or have Periodontal Disease (Perio). Female Male Total Healthy 2108 1124 3232 Gingivitis 1582 937 2519 Perio 873 931 1804 Find Pr{Female|Gingivitis). If necessary, round your answer to 3 places after the decimal. Total 4563 2992 7555Researcher collected information about income and housing cost from 66 individuals. What is R²? What does it tell us? Plot the data and the regression line Provide the QQ Plot of the residuals? What can you say?
- The weather in Los Angeles is dry most of the time, but it can be quite rainy in the winter. The rainiestmonth of the year is February. The following table presents the annual rainfall in Los Angeles, ininches, for each February from 1965 to 2020.0.2 3.7 1.2 13.7 1.5 0.2 1.7 0.6 0.1 8.9 1.9 5.5 0.5 3.13.1 8.9 8.0 12.7 4.1 0.3 2.6 1.5 8.0 4.6 0.7 0.7 6.6 4.90.1 4.4 3.2 11.0 7.9 0.1 1.3 2.4 0.1 2.8 4.9 3.5 6.1 0.13.7 8.8 10.0 15.7 14.1 7.3 12.6 11.5 8.2 14.6 12.7 10.7 6.9 9.9Construct a frequency table. Also sketch the graph of histogram and cumulative frequency polygonfrom following datacomplete the table without using theQuotient Rule.The following table shows the square footage of houses in an area that sold recently along with the selling price. Sq. Ft. Price 2096, 295000, 3160, 338000, 2320, 265000, 3150, 365000, 2760, 330000, 3650, 412000, 2125, 320000, 3085, 342000, 4750, 485000, 2100, 320000, 3100, 316000, 2240, 321000, 3300, 347000, 2800, 350000, 2825, 330000, 3275, 420000 1. Find the equation of the regression line (line of best fit). 2. Determine if there is a strong linear correlation. 3. If there is a strong linear correlation predict the selling price of a 3333 sq. ft. home
- 40 Numbers: Restaurant X Restaurant Y81 102123 129123 154147 112266 173178 134125 106157 120157 131212 123336 134311 132175 229111 213160 294145 12993 90234 137237 245185 145157 144202 199173 151117 14268 135198 146179 156112 136138 165173 138187 245194 232236 252190 236347 237304 171212 82200 110182 51184 174102 82145 145172 143156 101171 123159 146164 127128 182131 149309 127Thirteen students entered the business program at Sante Fe College 2 years ago. The following table indicates what each student scored on the high school SAT math exam and their grade-point averages (GPAs) after students were in the Sante Fe program for 2 years. Student A B C D E F G SAT Score 421 377 590 693 612 388 412 GPA 2.93 2.90 3.00 3.48 3.66 2.91 2.12 Student H I J K L M SAT Score 484 729 501 610 712 366 GPA 2.56 3.24 2.01 2.73 3.88 1.60 Part 2 a) The least-squares regression equation that shows the best relationship between GPA and the SAT score is (round your responses to four decimal places): y = enter your response here + enter your response herex where y = GPA and x =…Drop down options are -0.618033989 and 1.618033989
- Calculateaconfidenceinterval for the me-dian ofthe second population.Select your confidenc eleve land reportit with your answer.??How long does it take to finish the 1161-mile Iditarod Dog Sled Race from Anchorage to Nome, Alaska? Finish times (to the nearest hour) for 27 dogsled teams are shown below. 283 304 305 288 290 288 289 297 299 332 330 309 328 307 328 285 291 295 298 306 315 310 318 318 320 333 321 Make a dotplot for the data above regarding the finish time (number of hours) for the Iditarod Dog Sled Race. Select the appropriate dotplot below.The following data represent the monthly phone use, in minutes, of a customer enrolled in a fraud prevention program for the past 20 months. The phone company decides to use the upper fence as the cutoff point for the number of minutes at which the customer should be contacted. What is the cutoff point? The cutoff point is minutes. (Round to the nearest minute.) 461 355 397 526 377 472 419 538 388 461 402 532 505 353 477 419 501 431 428 353 D