Understanding Hypothesis testing, p-value, t-test for difference of two means - Statistics Help

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". https://youtu.be/eyknGvncKLw
The same data is analysed in "Two means t-test in Excel" https://youtu.be/t2ryZyytW5w
To find out what it means for a result to be statistically significant see Understanding Statistical Significance: https://youtu.be/pwBW1aWic_Y

For explanation about paired data see:
And for analysis of paired data see: https://youtu.be/t2ryZyytW5w

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

Видео Understanding Hypothesis testing, p-value, t-test for difference of two means - Statistics Help канала Dr Nic's Maths and Stats