There is a new input technique for touch-screen devices that allows users to inp

Question

There is a new input technique for touch-screen devices that allows users to input a word by sliding a finger from letter to letter. The user's finger is only removed fron the keyboard between words. The developers claim that typing speed using this new input technique is different when compared with traditional touch-screen keyboards. The accompanying data table shows the typing speeds of 10 individuals who were measured typing using both methods. Complete parts (a) through (d) below Click the icon to view the data table a. Perform a hypothess test using ? :0 01 to determine if the average typing speed using these two input methods is different Let ?1 be the population mean for he new met d and let p2 be the population mean for the traditional method where ?,-p,-p2 Choose the correct answer below OB, Houd 20 The critical value(s) is(are) ? as needed.) (Use a comma to separale answers as needed Round to two Interpeet the results of the hypothesis test the crtical value(s). Since the test statistic typing speed for the two input methods is different Click to select your answers). SIPS Hom

Explanation / Answer

Given:

Alpha = 0.01

a) Correct Hypothesis is D. i.e. H0: ?d = 0 and H1: ?d <> 0

Person 1 2 3 4 5 6 7 8 9 10 New Method 47 51 41 36 54 41 37 32 54 46 Traditional Method 41 44 37 28 45 41 41 38 45 38

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