4. The following statements indicates the use of inferential statistics EXCEPT4A. A manufacturer of light bulbs claims that their light bulbs lasts for 10,000 hours.B. The yearly expenditures on food for 15 families is estimated to be P240,000.C. A recent study showed that eating garlic can lower blood pressure.D. A survey says that 1 out of 50 male is a member of a fitness center.

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Answered: 4. The following statements indicates…

Calculus: Early Transcendentals

8th Edition

ISBN:9781285741550

Author:James Stewart

Publisher:James Stewart

Chapter1: Functions And Models

Section: Chapter Questions

Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...

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What conclusions do you reach from this chart? A. There is an approximately equal percentage of males and females who enjoy shopping for clothing. B. There is a higher percentage of males who enjoy shopping for clothing. C. There is a higher percentage of females who enjoy shopping for clothing. D. The side-by-side bar chart is inconclusive. O A. Yes- No- 0. 100 200 300 400 Frequency Male C Female
Statistics Question
A categorical variable has three categories, with the frequencies of occurrence below. a. Compute the percentage of values in each category. b. What conclusions can you reach concerning the categories? Category Frequency A 9 B 26 C 15
Examine the data and identify anything appearing to be unique. Select all that apply. A. The data are presented as quantitative but are actually categorical. B. The unusually large value of 80 minutes appears to be an error in recording the data. C. Most of the data values are rounded to the nearest 5 or 10 minutes, and may be estimates of actual commute times. D. Based on the gaps in the distribution, the data appear to be from two different populations.
Determine whether the underlined value is a parameter or statistics : "In 2017 national survey on teenager pregnancies, 10% of respondents aged 14 to 17 reported that they have a child before the age of 16 yrs."
Provide the necessary answer needed WITH a complete solution.
1. Describe the importance of statistical methods in the health research. 2. Define measurement. 2. What is a variable? Identify which level of measurement is represented by the following data: a. Years covered in Zambia history: 1776-1876 b. Annual income of student in a college: K 0-K1,000 c. Course grades in any course: A, B, C, D, F d. Student gender: male, female
A............ is a table that shows the number of data observations that fall into specific intervals. O a. Pareto chart O b. percent polygon c. frequency distribution O d. histogram
Bavsut Cement Company has divided Oman into different areas. The following table shows the Population and actual Sales for the current areas in which the company does business. The table also gives the Forecast values that were calculated for each of the areas: Population (thousands) Areas Sales Forecast (millions) (millions) A 2.53 410 413 1.76 240 232 C 6.81 595 590 4.22 325 339 E 12.77 990 925 F 5.09 665 662 G 10.82 840 859 16.84 1,450 1329 7.65 825 853 11.34 935 933 K 6.18 830 844 a. Calculate the regression equation. b. Calculate the correlation coefficient and interpret it. c. The company is planning to expand into two additional areas in the coming year. The population of these two areas are 743,000 and 387,000. What are the estimated sales that can be expected from these two areas? d. Compute the MAD value to arrive at the forecast accuracy.
A researcher will choose quantitative research if he wants to obtain detailed information about hundreds of subjects from the target population. a. TRUE b. FALSE
Lucy is estimating the income level of households in a specific zip code. She randomly calls 100 households and collects information about their income levels. Which of the following is not true. 1. The average income level of all households in the zip code is a population parameter. 2. The total income of the surveyed households is a sample statistic. 3. The average income of the surveyed households is a sample data. 4. The surveyed households are considered a sample of the overall population of households living in the zip code.
3. A number or a summarized measure that describes the characteristic of a sample is called statistic. a. b. parameter. váriation. C. d. central tendency.

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