o determine whether talking to plants affects their health, a researcher conducts a study in which he talks to one group of five plants and does not talk to the second group of five plants. After two weeks, he records the number of blooms produced by each plant (the dependent measure of their health). The researcher finds that, on average, the five plants he talked to produced 4.3 blooms (SD = 2.2), while the five plants he did not talk to produced 3.2 blooms (SD = 2.0). (a) Perform an independent-samples t-test to determine whether talking to the plants significantly affected their health.

o determine whether talking to plants affects their health, a researcher conducts a study in which he talks to one group of five plants and does not talk to the second group of five plants. After two weeks, he records the number of blooms produced by each plant (the dependent measure of their health). The researcher finds that, on average, the five plants he talked to produced 4.3 blooms (SD = 2.2), while the five plants he did not talk to produced 3.2 blooms (SD = 2.0). (a) Perform an independent-samples t-test to determine whether talking to the plants significantly affected their health.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.6: Summarizing Categorical Data

Problem 26PPS

See similar textbooks

Related questions

Q: For the exam scores. Class MT1 MT2 Sample size, n 14 13 Mean scores 75.3 826

A: Statistics Lecturer is testing the mean score for 3 classes Class MT1 MT2 MT3…

Q: An advertising agency collected a random sample of 300 businesses targeted with an advertising…

A: The question is about hypo. testing for a popl. proportion. Given : No. of random sample of…

Q: A probability function for a discrete random variable, Y, is shown below. y P(Y=y) 4 0.4…

Q: a) 10th percentile b) 75th percentile c) 85th percentile Click here to view page 1 of the standard…

A: Given : Population Mean,μ = 1493 Population Standard Deviation,σ = 339

Q: X 0 1 2 3 P(X = x) |0.512 0.384 0.096 0.008 Find P(more than 2 identifications are incorrect).

A: From the provided information, x 0 1 2 3 P (X = x) 0.512 0.384 0.096 0.008…

Q: Scenario 2: The mean content of 25 bottles of brand S mango juice is 255 ml with a standard…

A: The sample size is n=25. The sample mean is x¯=255. The sample standard deviation is s=9 The level…

Q: A remedial program evenly enrolls tradition and non-traditional students. If a random sample of 4…

A: Given,n=4p=12 (probability of selecting traditional students)q=1-12=12A random variable…

Q: The average house has 11 paintings on its walls. Is the mean larger for houses owned by teachers?…

A: The level of significance is 0.10.

Q: Consider the listed actual demand in the table to the left. If the 6-week moving average forecast…

A: The question is about forecasting Given :

Q: FUNDAMENTALS OF MATHEMATICAL STATISTICS A number of particular articles has been classified…

Q: Español Quality control: A population of 611 semiconductor wafers contains wafers from three lots.…

A: Given Total number of wafers =611 Number of wafers in Lot A=97+15=112 Number of wafers which is…

Q: A study was conducted that investigated the gene ACTN3, which encodes a protein that functions in…

A: Claim : there is an association between the genotype classification and the type of athlete…

Q: An advertising agency collected a random sample of 300 businesses targeted with an advertising…

A: Given problem is hypothesis testing of population proportion n= Random sample=300 x=No. of items of…

Q: The probability that a person stopping at a gas station will ask to have his tires checked is 0.12,…

A: Given data isThe probability that a person stopping at a gas station will ask to have his tires…

Q: The regression equation to predict the total world gross ticket sales from the opening weekend…

A: Given the regression equation to predict the total world gross ticket sales from the opening weekend…

Q: The p-value is the probability of observing a statistic more extreme than the observed statistic, if…

Q: months show the 3-month Simple Moving Average Forecast for the 8th Month? Actual Demand Month) (in…

A: *Answer:

Q: Practice Exercise 1. Let X represent the number of times a grade 10 student visits an Internet Café…

A: Since the question to be answered is not specified, we'll be answering the first question only.…

Q: Suppose that, for events A and B, P(A)= 0.2, P(B)= 0.85, and P(AandB)= 0.17. (i) Calculate the…

Q: A very small p-value is strong evidence for the Ha (Alternative Hypothesis). Select one: True False

Q: 1. What is the mean of the population? A. 10 B. 8 C. 6 2. What is the variance of the population? A…

A: The provided sample is 2,3,6,9,11,5 x x2 2 4 3 9 6 36 9 81 11 121 5 25…

Q: The following TI-84 Plus display presents some sample statistics. 1-Var-Stats x=67 Σχ=2291…

A: Given : Population mean =67 Sample standard deviation =8 Population standard deviation =8.024961059

Q: 1. In SUKI market, 65% of the vendors preferred to use plastic over paper bags. After the local…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: Considering the actual demand values below for LCD TVs sold by a retailer per month, what is the…

A: The following information has been provided: Month Demand 1 42 2 40 3 43 4 40 5 41…

Q: 8. What is the rejection region of the given normal curve at the right? A. z≥ 1.28 B. z≥ 1.645 C. z≥…

A: 8) The normal curve shows the shaded region in right

Q: An advertising agency collected a random sample of 300 businesses targeted with an advertising…

A: The population is the entire group about which the sample is taken. The sample is a subset of the…

Q: Create a scatter plot of the data given and write an exponential equation for the function…

A: Find: Fit exponential regression equation to the given data represented by the graph.

Q: Scenario 2: The mean content of 25 bottles of brand S mango juice is 255 ml with a standard…

A: Formula :

Q: Use the graph of the function f shown to the right to find f(-1), f(0), and f(1). f(-1)= A) O

Q: Test A. Directions: Analyze the given problem below. As per Beat Covid-19 Today, a Covid-19…

A: According to policy, we supposed to answer 3 part, kindly repost for remaining.

Q: Assume that the U.S Open Golf Tournament was played at Congressional Country club, with prizes…

Q: The statement (A + B) - (C' n B) = (A + C) is an identity. (Hint: draw a Venn diagram of the LHS and…

Q: Job satisfaction: In a poll, 405 out of 1741 people said that their next phone will be an Android.…

Q: Cami plays softball. The table to the right shows the frequency of the number of hits she has per…

A: The table is given as below Number of hits Frequency 0 10 1 19 2 9 3 6 4 2

Q: Test A. Directions: Analyze the given problem below. As per Beat Covid-19 Today, a Covid-19…

A: Given no. of active cases (region wise) is:

Q: Practice question 1 The price of the ordinary N25 shares of Manco plc quoted on the Stock Exchange…

A: "Since you have posted a question with multiple subparts, we will solve first 3 sub-parts for you.…

Q: C.0.9625 D. 0.9633 A 0.0375 8.0.3075 4. Find the probability value of PIZ-1.0) A 15.87% C. 84.13% D.…

A: I used z- table to calculate the probabilities and z scores.

Q: A stack contains 20 white balls, 8 green balls and 12 brown balls. 2 balls are drawn at random…

A: Given,no.of green balls=8no.of brown balls=12Total no.of balls=20

Q: One study, based on responses from 1,011 randomly selected teenagers, concluded that 41% of…

A: Solution-: Given: n=1011, p^=0.43, P0=0.5, α=0.05 We want to find, (a) Identify the null and…

Q: Which of the following is the best level of significance for hypothesis testing? a. 0.10 b. 0.05…

A: The objective is to find out the best level of significance for hypothesis testing.

Q: The scatterplot below shows opening weekend gross sales (measured in millions of $US) and total…

A: The scatterplot is plotted between weekend gross sales (in millions of $US) and total world gross…

Q: f(x)=kx². [-1,1] = 1 (Type an exact answer.) he probability density function is f(x) = (Jyn

A: The pdf is as follows f(x)=kx2 [-1,1]

Q: An advertising agency collected a random sample of 300 businesses targeted with an advertising…

Q: How much would you need to deposit in an account now in order to have $2000 in the account in 15…

A: Given problem Given that A = $ 2000 T = 15 years Rate of interest = 7% = 0.07 Compounded monthly…

Q: Find the area of the indicated region under the standard normal curve. -1.30 0 OA. 0.0968 OB. 0.9032…

Q: Kiwi pukupuku (little spotted kiwi) are a native species of kiwi that inhabit the northern…

A: The question is about to determine value of sample statistic Given : Total no. of female kiwi…

Q: Four types of Soda were tested to determine their effect on weight gain. The data is shown below.…

A: The objective is to determine the effect of the four types of Soda on weight gain.

Q: standard deviation of 1.3 inches. If one item is chosen at random, what is the probability that it…

A: Given Data : Population Mean,μ = 7.3 Population Standard Deviation,σ = 1.3

Q: A grocery store manager did a study to look at the relationship between the amount of time (in…

A: Since, we only do up to three sub parts of a problem, we'll be doing the first three sub parts only.…

Q: sume that the helium porosity (in percentage) of coal samples taken from any particular seam is…

A: Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Question

To determine whether talking to plants affects their health, a researcher conducts a study in which he talks to one group of five plants and does not talk to the second group of five plants. After two weeks, he records the number of blooms produced by each plant (the dependent measure of their health). The researcher finds that, on average, the five plants he talked to produced 4.3 blooms (SD = 2.2), while the five plants he did not talk to produced 3.2 blooms (SD = 2.0). (a) Perform an independent-samples t-test to determine whether talking to the plants significantly affected their health.

Expert Solution