Suppose you wanted to test the effects of the herbal supplement echinacea on the length of colds. you decide to infect 10 willing participants with the rhinovirus that causes the cold, and you then give them echinacea daily. the average number of hours ill is compared with the known population mean. the z statistic based on your sample is –0.53. if you conducted a two-tailed test with a p level of 0.05, you should:

10/10 recommend bring pads/tampons with you no matter what. im 16 & i’ve had mine since i was 12 and they’re still it regular, but id suggest using the glow app, many women use it for fertility reasons but i use mine specifically for the period tracking portion and it guesses when your next period will most likely be for the next two months. i dont believe theres any way to delay your period, so id say hope for the best but make sure to bring all of your stuff just incase. have a good cruise!