Hello everyone, I have some questions about statistical inference or hypothetical tests: Example of a dam being monitored (one-sided or left-side test): H0 : Dam does not move towards the valley. H1 : Dam moves towards the valley. H0 is assumed with alpha = 0.01 and H0 is correct: The CI of 0.99 guarantees that…
Good afternoon, I need some help with the following problem. Below is an image of the problem and an image of the suggested solution. I'm really looking forward to your easy-to-understand and detailed explanations.
In one problem, the null hypothesis is "the die is not loaded," while in another problem, the null hypothesis is "the die is loaded." This would result in different results for the acceptance and rejection regions. What exactly does this mean in relation to the null hypothesis and the context?
Our table: Other table: Hello, This is about the SPSS program. We wanted to know if the data was normally distributed so we could conduct the t-test. However, our classmates produced a table with different numbers, even though everyone received the same data sets and we used the same script with the same instructions. What…
Hello, I'm a bit confused by my university statistics assignment. One subtask is as follows: Someone tells you that the average monthly turnover of the population is €330,000. According to the statistics exercise, the hypotheses were formulated as follows: H0: The average monthly turnover is 330,000€ H1: The average monthly turnover is NOT EQUAL TO…
Please help, I need HELP with the example below are my approaches! Task: One-sided t test for paired samples: Given: H0:μ1−μ2= 0, H1:μ1−μ2≠0 1) Paired t-test data: carbDf$before and carbDf$after t =27.811, df =249, p-value <2.2 e −16 alternative hypothesis: true mean difference is not equal to 0 95 percent confidence interval: 0.06505759 0.07497441 sample…