📊 statistics

1. **Problem:** Construct a frequency distribution table for the weekly physical training hours of 30 soldiers with data: 3, 4, 5, 6, 7, 8, 3, 4, 5, 6, 7, 8, 4, 5, 6, 7, 8, 5, 6, 7

1. **Stating the problem:** We have test scores for Charles, Isabella, and Naomi across four tests. We want to analyze these scores, for example, by calculating the average score f

1. **Problem:** Construct a frequency distribution table for weekly physical training hours of 30 soldiers with data: 3, 4, 5, 6, 7, 8, 3, 4, 5, 6, 7, 8, 4, 5, 6, 7, 8, 5, 6, 7, 8,

1. The problem is to understand and create frequency distribution tables, which summarize data by showing the frequency of each data value or range. 2. The formula for frequency is

1. **Problem:** Construct a frequency distribution table using appropriate class intervals for the weekly physical training hours of 30 soldiers: 3, 4, 5, 6, 7, 8, 3, 4, 5, 6, 7, 8

1. **Problem statement:** We have an aircraft's fuel consumption rate that follows a normal distribution with mean $\mu = 8000$ kg and standard deviation $\sigma = 500$ kg.

1. **Problem statement:** We have a binomial distribution with number of trials $n=10$ and probability of success $p=0.3$ (a passenger carries overweight luggage in a flight). We w

1. **Problem Statement:** We have luggage weights of 20 passengers and need to construct a frequency table using given class intervals, then identify the class with the highest fre

1. **Problem Statement:** Given the total time spent studying by 30 Grade 9 students, arranged in class intervals with frequencies, mid-points, and cumulative frequencies, we are t

1. The problem is to prepare fixed base index numbers using 1997 as the base year. 2. The formula for fixed base index number is:

1. **State the problem:** We need to prepare fixed base index numbers using 1997 as the base year from the given price index data. 2. **Formula:** The fixed base index number for y

1. **State the problem:** We have data on the number of T-shirts ordered and the cost per shirt. We want to find a linear regression equation relating order size ($x$) to cost per

1. **Problem:** Compute the population mean, median, and mode for the first ungrouped data set given. 2. **Formula and rules:**

1. **Stating the problem:** We have a Latin square design with 4 time periods, 4 courses, 4 professors (A, B, C, D), and 4 teaching assistants (α, β, γ, δ). The goal is to test at

1. The problem involves categorizing data based on age groups and income levels, and analyzing dependent variables: satisfaction score, total spending, and purchase frequency. 2. A

1. **Problem Statement:** Analyze if customer groups defined by age and income differ significantly in satisfaction and total spending using MANOVA.

1. **Problem Statement:** Calculate the mean and variance of the discrete random variable $X$ given its values and frequencies. 2. **Data for the first distribution:**

1. **Problem Statement:** We have monthly sales data (in 000 units) for seven months: Feb(19), Mar(18), Apr(15), May(20), Jun(18), Jul(22), Aug(20). We need to forecast sales for S

1. The problem asks to identify the type of statistics used when a professor states the average age of all students based on a sample. 2. The formula or concept here is understandi

1. The problem gives a frequency distribution table with intervals of hours per day (Horas/dia), frequencies $n_i$, and cumulative relative frequencies $Fr_i$. 2. We are given part

1. **Problem Statement:** We have a binomial distribution with parameters $n=20$ and $p=0.4$. We want to decide whether to use the binomial distribution directly or approximate it