Hypothesis testing: step-by-step, p-value, t-test for difference of two means - Statistics Help

Опубликовано: 05 Декабрь 2011
на канале: Dr Nic's Maths and Stats

923,880

6.1k

This entertaining video works step-by-step through a hypothesis test, using the difference of two means as an example. Helen wishes to know whether giving away free stickers will increase her chocolate sales.
There are five steps:
0:25 Hypotheses
1:27 Significance Level
1:47 Sample
1:54 p-value
2:00 Decide

This is a companion video for "Understanding the p-value".    • P-value in statistics: Understanding ...
The same data is analysed in "Two means t-test in Excel"    • Two means t-test in Excel - Statistic...
To find out what it means for a result to be statistically significant see Understanding Statistical Significance:    • Understanding Statistical Significanc...

For explanation about paired data see:    • Paired samples and independent sample...
And for analysis of paired data see:    • Two means t-test in Excel - Statistic...

See https://creativemaths.net/videos/ for all of Dr Nic's videos organised by topic.
#DrNicStats #Statistics

Смотрите видео Hypothesis testing: step-by-step, p-value, t-test for difference of two means - Statistics Help онлайн без регистрации, длительностью часов минут секунд в хорошем качестве. Это видео добавил пользователь Dr Nic's Maths and Stats 05 Декабрь 2011, не забудьте поделиться им ссылкой с друзьями и знакомыми, на нашем сайте его посмотрели 923,880 раз и оно понравилось 6.1 тысяч людям.

34,797

587