Question 5: [does not require SPSS] Umami Papi is a crispy aromatic chilli oil that is made in Melbourne. The company makes two versions of the chilli oil, the Original and Extra Spicy. Umami Papi comes in two sizes, a 225g jar and a 750g jar. The production manager at the production plant wants to make sure that the machine that fills the jars is working correctly. The production manager takes a random sample of 1200 225g jars of Umami Papi Original chilli oil produced in March 2024. This sample is then used to check if bottles are filled with the correct amount of chilli oil, or if perhaps the machine needs to be adjusted. a. What is the population we can draw conclusions about in this study? To answer questions (b) to (d), only consider the sampling distribution shown in Figure 1. No calculations are needed. 224.23 224.31 224.38 224.46 224.54 224.62 224.69 224.77 224.85 224.92 225 225.08 225.15 225.23 225.31 225.38 225.46 225.54 225.62 225.69 225.77 Figure 1: Distribution of sample means in 300 samples of size 1200, taken from a population where the mean is 225 and the standard deviation is 8 b. What does the highlighted

Highlighted Section 30- Frequency 20 2.5% 2.5% 10- 224.23 224.31 224.38 224.46 224.54 224.62 224.69 224.77 224.85 224.92 223 225.08 225.15 225.23 22531 225.38 225.46 225.54 225.62 225.69 225.17 Figure 1: Distribution of sample means in 300 samples of size 1200, taken from a population where the mean is 225 and the standard deviation is 8