A psychological researcher has a theory that predicts women will tend to carry more cash than men, on average. A random sample of Ersatz University students revealed that 16 females had a mean of $22.30 in their wallets with a standard deviation of $3.20, while 17 males had a mean of $17.30 with a standard deviation of $9.60. Using an α of 0.05, what is the test statistic, assuming unequal variances, for the researcher's hypothesis?

Awidower devised his fee simple interest in his residence as follows: “to my daughter for life, then to my oldest grandchild who survives her.” at the time of the widower’s death, he was survived by his only two children, a son and a daughter, and by one grandchild, his daughter’s son. a short time later, the daughter together with her son entered into a contract to sell the residence in fee simple to a buyer. the applicable jurisdiction continues to follow the common law rule against perpetuities, but has abrogated the rule in shelley’s case. at the closing, the buyer refused to purchase the residence. can the sellers compel the buyer to do so?

Ancho corp. is an automobile company whose core competency lies in manufacturing petrol- and diesel- based cars. the company realizes that more of its potential customers are switching to electric cars. the r& d department of the company acquires competencies in developing electric cars and launches its first hybrid car, which uses both gas and electricity. in this scenario, ancho is primarilya. leveraging new core competencies to improve current market position. b. redeploying existing core competencies to compete in future markets. c. unlearning existing core competencies to create and compete in markets of the future. d. building new core competencies to protect and extend current market position

Suppose a country's productivity last year was 84. if this country's productivity growth rate of 5 percent is to be maintained, this means that this year's productivity will have to be: