statistical hypothesis)
모수 또는 확률변수의 확률분포에 대한 주장이나 예상
만일 가설이 분포를 완전히 규정하면 그 가설을 단순가설(simple hypothesis)이라 하고, 그렇지 않으면 복합가설(composite hypothesis)라고 한다.
단순가설은 모수값을 한 점으로 표시하고(예: ), 복합가설은 모수값을 범위로 표시
Does this sample suggest that women shoppers in Atlanta differ from the shopping preferences expressed in the U.S. Shopper Data base?
Step 1) Set up the Hypothesis
H0: PW=24, PT=11, PJ=8, PK=8, PM=12, PO=37
Ha: PW≠24, PT≠11, PJ≠8, PK≠8, PM≠12, PO≠37
Step 2) Select a random sample & record the observed frequency, fi, for each of the categories.
hypothesis H2e, ‘If consumers are confronted on the MPC site with lower reference prices for identical products than the prices in the shop they are in, then they are more willing to find other sources for buying’, the paper carried out Welch’s F test. And it revealed no significant group mean difference.
To check this result, the item ‘Before I decided whether to buy the product, I woul
Ⅰ. 통계적 자료 분석
1.기본개념
1)빈도분포 (Frequency distribution)
(1) 개념
어떤 집단에서 측정치를 그 집단의 의미있는 특징을 밝히기 위해 수치들을 정리하게 된다. 이런 수치들의 정리는 여러 가지 통계적 처리를 간편하게 해주며, 연구보고서나 논문에서 원자료를 대신해서 매우 의미있는 역할을
1. I am satisfied with a current curriculum
2. I believe that a curriculum of hotel management department will be helpful for getting a job in hospitality industry
3. I believe that a curriculum of hotel management department will be helpful for going to a graduate school ( major related to hotel management)
4. I am satisfied with an internship program.
Total Average
Correlation