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- What is the parameter?How to do T-test by using data shown in picture in R? Thanks.F1 2 Nordstrom in Mission Valley wants to determine whether there is a correlation between the amounts spent on local advertising by the store and the number of customers who shopped in the store over Christmas. The assumptions are met for the parametric test. W S Advertising budget in dollars (X) F2 # 1300 3 2000 4000 3500 6500 5000 4400 3500 4000 F3 $ Number of customers (Y) 4 R Q F4 F Compute the Person correlation to measure the degree of the relationship and report your findings. Step 4: Make a decision Our obtained value is (write: smaller or larger) the null hypothesis. Based on our sample, there is a (write: weak, medium, or strong) and the number of customers 235 % R LO 5 315 450 436 483 575 387 243 412 F5 G 6 F6 than our critical value, so we can (write reject or fail to reject) H F7 positive relationship between advertising budget 8 DII F8 9 F9 0 K || 0 F10 F12
- A computer Simulator of the flight of a baseball provided the data displayed in the accompanying table for the range f (v,w) in feet of a ball hit with initial speed v in ft/s and a back spin rate w rpm. Each ball is struck at an angle of 30° above the horizontal. Use the data to estimate df -(160,2000) and dv df (160,2000) dw 1000 2000 3000 4000 150 294 312 333 350 367 160 314 334 354 373 391 170 335 356 375 395 414 180 355 376 397 417 436 a. 2.1, 0.02 b. 2.1 0.08 с. 2.2 0.02 d. 2.15 0.02 е. 2.15, 0.09Where t=3,4,...A computer Simulator of the flight of a baseball provided the data displayed in the accompanying table for the range f (v, w) in feet of a ball hit with initial speed in ft/s and a back spin rate w rpm. Each ball is struck at an angle of 30° above the horizontal. Use the data and forward difference to estimate af Əv -(150,3000) and -(150,3000) 150-v in f/s 294 160 314 170 335 180 355 11 11 af Əv |0w= in RPM (150,3000) = af Əw -(150,3000) = 1000 312 334 356 376 11 Əf δω 2000 333 354 375 397 3000 350 373 395 417 4000 367 391 414 436