📊 statistics

1. **Stating the problem:** Vi skal teste hypotesen om, at køn og sport er uafhængige ved hjælp af et chi-i-anden test for uafhængighed med signifikansniveau $\alpha = 0.05$.

1. **Problem statement:** We want to test the hypothesis that gender (Køn) and sport participation (Sport) are independent. 2. **Hypotheses:**

1. **Stel het probleem vast:** Khalid wil zijn conditie verbeteren door dagelijks te wandelen. We hebben een frequentietabel met afstanden en moeten a) de modale klasse bepalen, b)

1. **Stating the problem:** We are given a frequency table showing the lengths of babies born on one day at a hospital, and we want to analyze the data. 2. **Frequency table:**

1. **State the problem:** Find the mean number of goals the soccer team scored in 8 games based on the dot plot. 2. **Identify the data from the dot plot:**

1. **State the problem:** We want to estimate the number of adult residents who voted in the last city election based on survey data.

1. **State the problem:** We have a data set of leftover cupcakes: 16, 31, 12, 28, 28, 20, 22, 22, 32, 16, 14, 25. 2. **Goal:** Determine which box plot correctly represents this d

1. **State the problem:** We have a set of temperatures recorded over two weeks: 56, 56, 58, 58, 60, 62, 62, 58, 56, 56, 55, 54, 55, 53. 2. **Organize the data:** Sort the data in

1. The problem is unclear as stated: "6 lands in class 65 to 69 no?". It seems to ask whether the number 6 belongs to the class interval 65 to 69. 2. A class interval like 65 to 69

1. **State the problem:** We are given a frequency distribution table with cumulative frequencies for 60 scores. We need to find the missing frequency value represented by '?'. 2.

1. **State the problem:** Given a sample of size $n=30$ with scores $X=45$ corresponding to $z=1.50$ and $X=40$ corresponding to $z=1.00$, find the sample mean $M$ and standard dev

1. **State the problem:** We have a population with mean $\mu = 37$ and standard deviation $s = 6$. It is standardized to a new distribution with mean $\mu = 50$ and standard devia

1. **State the problem:** Calculate the variance and standard deviation for the sample data: 10, 7, 9, 1, 2, 0, 6. 2. **Recall the formulas:**

1. **State the problem:** We are given a sample of scores: 1, 3, 1, 1. We need to calculate the sum of squares (SS) using the computational formula, then compute the sample varianc

1. **Stating the problem:** We have two shops, Kirsty’s Kiosk and Oscar’s Outlet, each rated from 1 to 4 by customers. The bar chart shows frequencies for each rating, but bars E a

1. **Enunciat del problema:** Tenim una mostra de variables i.i.d. $X_1, \ldots, X_n$ amb densitat $$f(x; \theta) = (2\pi)^{-1/2} (\theta x)^{-1} \exp\left\{-\frac{1}{2} \left(\fra

1. The problem asks about the interpretation of a 99% confidence interval for a population proportion based on a sample. 2. A confidence interval is constructed from sample data to

1. **State the problem:** We have a random sample of 1,000 likely voters, with 55% supporting candidate Taylor. The margin of error is 3 percentage points. We want to determine whi

1. **State the problem:** Vector wants to know what conclusion he can report about the energy produced by pure cow manure biomass versus cow manure mixed with mashed bananas, based

1. **Stating the problem:** Pam collected data on how many hours her friends watched TV last weekend. We need to analyze the distribution of this data based on the given statements

1. **State the problem:** We are given a distribution of runs scored by the Ravens' baseball team in several games and need to analyze the statements describing the data distributi