📊 statistics

1. **State the problem:** We are given a frequency distribution of the number of people at a public concert with values $X = 2, 3, 4, 5, 6$ and corresponding frequencies $T = 4, 2,

1. The problem is to analyze the frequency distribution of the number of people attending a public concert. 2. Frequency distribution shows how many times each value or range of va

1. **Problem:** Determine which scoring criterion has the highest percentage in the beauty pageant final night scoring. 2. **Given Data:**

1. **Problem:** Find the mean attendance of 10 students in the hostel using the short method. 2. **Given data:** Attendance = 21, 15, 16, 18, 14, 17, 15, 12, 13, 11

1. **State the problem:** We have a frequency distribution of the number of sick leave days per year taken by employees and need to determine if the data is discrete or continuous,

1. **Problem statement:** We want to test if eye color and blood type are independent using the given data for 400 people. 2. **Data:**

1. **Problem statement:** We want to test if the average spelling score of girls is higher than that of boys. The population mean for boys is $\mu_0 = 75$. A sample of 144 boys has

1. The problem asks which grade value has a wrongly labeled sector angle in a pie chart. 2. Recall that the total angle in a pie chart is always $$360^\circ$$.

1. **Problem Statement:** Calculate the mean, median, and mode of the marks obtained by 15 students: 45, 52, 60, 48, 55, 62, 52, 50, 48, 45, 58, 62, 60, 55, 50. 2. **Mean:** The me

1. The problem asks to differentiate Descriptive Statistics and Inferential Statistics. 2. Descriptive Statistics involves summarizing and organizing data so it can be easily under

1. **State the problem:** We want to find the proportion of the class that scored above 74% given the test average (mean) is 85%, median is 89%, and standard deviation (SD) is 8%.

1. The problem asks us to identify the types of relationships between variables in four different data sets based on their descriptions and graphs. 2. Important concepts:

1. **Problem Statement:** We are asked to identify which data sets correspond to specific values or characteristics of the sample correlation coefficient $r$ based on the descripti

1. **Problem Statement:** Find the mean of the numbers 4, 6, 8, and 10. 2. **Formula:** The mean (average) of a dataset is calculated by summing all the values and dividing by the

1. **Stating the problem:** We want to test if the difference in dosage (1.0 mg vs 1.5 mg) affects the time it takes rats to fall asleep using an independent samples t-test at sign

1. **Stating the problem:** We want to test if the difference in dosage (1.0 mg vs 1.5 mg) affects the time it takes rats to fall asleep using an independent samples t-test at sign

1. **Problem Statement:** We have sales data for the soap section (in thousands) given as: $$102.2, 104.2, 100.4, 102.6, 111.7, 121.8, 127.9, 135.3, 137.8, 141.8, 147.9, 151.5, 155

1. **State the problem:** We are given two sets of marks for Statistics I and Statistics II and need to calculate the Spearman's rank correlation coefficient to measure the strengt

1. **Problem Statement:** We have daily customer counts for two branches over 10 days. We need to find the mean and standard deviation for each branch, then use the coefficient of

1. **Problem Statement:** We analyze sales data of 8 outlets to compute descriptive statistics, construct a frequency distribution, and calculate probabilities assuming normal dist

1. **Problem Statement:** Calculate the mean number of children per family, the mean absolute deviation, and the standard deviation from the given data.