Take Test. BANA 3363 0 lite ?.Dagrees of Freedom QUESTION 15 A company that make
ID: 3369037 • Letter: T
Question
Take Test. BANA 3363 0 lite ?.Dagrees of Freedom QUESTION 15 A company that makes language leaming software wants to determine which of two approachos (Mathod A or Method E) to learning vocabulary would lead te the largest number of rocalled words. The company wishes to evaluate the methods on 7 diferent languages (since languages differ in difficultyl. Seven individuals, one per language, were recruited to learn words using Method A, and 7 indviduals, one per language, were recruited to learn words using Method After one month, each person completed a test of wond recall. The data, representing the number of words recalled, are shown in the table below Method AMethod B 12 17 13 16 27 20 26 10 25 The company wishes to test whether there is a difference in the average number of words recalled between the two menods. Celcuriate the test statistic for this hypothess to two decmal places. Take all calculations toward thhe final answer to three decimal places, QUESTION 16 Acompany that makes ingage warning software wants todetermine whch ? two appoached Metod A or Mathontoleamng vooatuary wald lead ta the largest number of recalied words. The compary wishes to evaluate the mothods on 7 different languages (since languages diler in diicuityl. Seven ndivicuais, one per language, were recruited to lesm words using Method A, and7individuals, one per langage were reonuted bo leam words using Method 8. Suppose the oompany wishes to test whether there is a differenoe ie the tso methods at tho 0.06 leval. Which of the following valuolaj wouid oorrectly mark the boundery of the rejection negion? Select all that apply 1896 2.365 2.447 1.96 0-1 0 2447 QUESTION 17 A "oito ship ?.port is intrested in the relationsh(p betwem dvoro and general happines. A "ample of 1,212 rdieduals who ropoted ther matitatus as either married' or divorood was solected and indviduals in the two groupe ware aked to rato thar genaral lavel of heppiness lther "Not Too Happy or Not Too Happy Pretty/very Happy Total Divoroed roup 55 a1Explanation / Answer
(1) Here, we use t-test. Because the sample size is small(less than 30). The value of test statistic is 1.086.
t-statistics=1.086
(2) The boundary of the rejection region is 2.447.
Related Questions
Navigate
Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.