📊 statistics

1. **Stating the problem:** We are given a list of numbers and we want to analyze or summarize them. A common task is to find the mean (average) of these numbers. 2. **Formula for

1. **Menentukan mean dari data** a. Data: $7, 6, 7, 8, 5, 9, 7$

1. **Problem Statement:** We are given data about the number of adults and children visiting a museum from January to May and asked several questions about these numbers. 2. **Give

1. **State the problem:** We need to find the mean, median, mode, and range of the daily texts received by Emelina over six days: Mon=0, Tue=1, Wed=1, Thu=11, Fri=6, Sat=37. 2. **L

1. **Stating the problem:** We need to calculate the median of a grouped frequency distribution using the cumulative frequency (c.f.) table and the standard median formula.

1. **State the problem:** We want to test the manufacturer's claim that the average breaking strength of cables is $5000$ Newtons.

1. **Problem Statement:** a) We have observed frequencies of the number of heads in 4 coin tosses repeated 200 times. We want to test if the coins are biased using a $\chi^2$ goodn

1. **State the problem:** We are given the number of goals scored by a soccer team in $$34$$ matches and asked to find the range of the middle $$18$$ scores. 2. **Understanding the

1. **State the problem:** We have a dataset of student weights in kilograms: $$35, 53, 54, 56, 58, 58, 59.5, 60, 61, 63.5, 65, 68, 68.3, 70, 70.2, 72.4$$ and we need to answer seve

1. **State the problem:** We have data on the number of people per household collected by Maria: $$3,4,1,2,5,6,7,4,7,8,6,7,2,4,1,3,6,4$$

1. **Problem Statement:** We want to test if the mean weight $\mu$ of a species of turtle is equal to 310 pounds using a one-sample t-test at significance level $\alpha = 0.05$. 2.

1. **State the problem:** We want to test if there is a significant relationship between the final grades in Biology (X) and Chemistry (Y) for ten students using Pearson’s Product

1. **Problem Statement:** We have a binomial distribution scenario where the probability of success (patient recovers) is $p=0.05$ and the number of trials (patients) is $n=15$.

1. **State the problem:** Given the final exam scores of 18 NCCT first year students: 76, 87, 84, 56, 58, 88, 61, 88, 67, 92, 81, 63, 73, 94, 76, 97, 79, 82, 83, 85, calculate the

1. **State the problem:** We are given a frequency distribution with values $x$ and their frequencies $f$. We need to find the median of this data. 2. **List the data:**

1. **State the problem:** Find the median of the data given in the frequency table with values $x$ and their frequencies $f$. 2. **List the data:**

1. **State the problem:** We are given a frequency distribution with values $X$ and their frequencies $f$. We need to find the median of this data. 2. **List the data:**

1. **State the problem:** Find the median of the data given in the frequency table with values $x = 2, 4, 6, 8, 10$ and frequencies $f = 4, 8, 2, 1, 5$. 2. **Calculate the total nu

1. **State the problem:** We want to find the probability that at least 3 people out of 25 have a sleep disorder, given that the probability any one person has a sleep disorder is

1. The question asks whether "this" would influence the correlation. 2. Correlation measures the strength and direction of a linear relationship between two variables.

1. The problem asks to describe the point marked $A$ in a scatterplot of two continuous variables $x$ and $y$. 2. In scatterplots, points that are far from the cluster of other poi